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Water Quality Probe Training

I have begun water quality probe training. I just need one more session in the lab then a field test before I can check out a probe. In the mean time I plan on vising each of the five sites in the next few days to record observations on the habitat and to check for stickleback populations. Additionally, I may or may not have to report for jury duty in the next week which could cut into my Capstone research time. Here’s to hoping I don’t have to fulfill my duty as an adult U.S. citizen just yet.

Looking around

Been looking around at the different teaching techniques to try and find out what will be the best way to give out the information to the kids. It is amazing how you can have a few different main ideas and yet there can still be a lot of different options for it. An example could be that I could give just a straight up lecture. To be considered a full on lecture I would be the only one talking while the kids are taking notes. However I can make it not as lecture like and ask them questions along the way have some small activities to help them understand what we will be doing or I can show them some videos. These different options are all considered a lecture but they have slightly different styles. I can also do demonstrations of what will be done, this would be more of an active teaching style. This would be where I am actually doing what will be done later on. Like I could have a clam gun (a metal cylinder) and do a quick little survey of sand or something else less messy so that they could have more of a reference for before they go out into the field. There are a few other examples such as a more direct teaching method which is where the teacher directly interacts with the students. For my project I want to try to get a good mixture of a few different styles at first and try to feel out what works best and try to narrow it down to one or two different methods by the end or if the mixture is working the best then I will keep it for the whole time. Only time will tell how I will be doing this.

Mapping Spill Impacts

We saw some really neat efforts to map oil spills and explore impacts associated with spills in spatially-explicit ways at last summer’s ESRI Users Conference in San Diego.  This very brief rundown of what was on display shows how the science of documenting oil spill impacts has embraced geospatial science.  GIS is no longer a secondary concern.  Rather, it is at the center of our modern investigations.

Presenters showcased everything from a first-principals approach from Simon Suo at Penn who is trying to create a GIS to quickly predict possible impacts from a future spill…

Oil Spill geospatial impacts ESRI 2015

…to simple maps pulling together geospatial data such as this visualization of tracking impacts from fracking chemicals upon water tables…

Penn Fracking Map ESRI 2015

…and documentation of expenditures from the Deepwater Horizon spill for post-spill academic studies and ecological restoration projects such as the Deepwater Horizon Project Tracker by the Trust for Public Lands.

DWH Funding Tracker Screenshot

Alternative Choices

I still have not heard back from Torrey Pines State Natural Reserve about my permits. I am currently trying to figure out alternative methods to conduct this experiment, if I do not recieve a collecting permit for that particular site. I am looking forward to returning to the lovely Santa Rosa Island in a week.

Due to the low light pollution, SRI has the most beautiful starry night.

Due to the low light pollution, SRI has the most beautiful starry night.

 

Fire threatening oil infrastructure

Freeway sign for the Pacific Coast Highway near Solimar Beach burns near Ventura on Saturday, Dec. 26, 2015. (image: KABC)

Freeway sign for the Pacific Coast Highway near Solimar Beach burns near Ventura on Saturday, Dec. 26, 2015. (image: KABC)

The current Solimar Beach Fire raging north of the City of Ventura is threatening numerous oil drilling and storage areas adjacent to Pacific Coast Highway along the Rincon coast of northwestern Ventura/southeastern Santa Barbara County.

12-28-15 23:00 Update:

As of 17:00, Ventura County Fire is reporting 100% containment with only about 70 personnel on the ground engaged in mopping up efforts.  Officials revised the burn area to 562 hectares (1,388 acres). At last report, all oil and gas facilities were reported undamaged.  The same goes for homes and buildings: no significant damage.

12-27-15 22:00 Update:

We have seen some awesome sunsets across Ventura County these last two nights.  The particulates in the air over the western reaches of the county are not posing a health threat (they are primarily blowing right offshore), but are treating us to some wonderful colors.

 

Sunset from W Potrero Road above our CSU Channel Islands campus. Boxing Day, 2015.

 

Fire officials were reporting 75% containment as of 17:30 Sunday night with fire personnel on scene down to 335 people.  Officials also disclosed the oil operation at the ignition site was part of the holdings of California Resources Corporation.

The active front has moved well inland from PCH.  Comparatively little scorching happened in the immediate coastal zone, with flames apparently jumping PCH over less than a linear mile of freeway.  All told I saw burned hillsides over no more than a five mile stretch of PCH as I drove the area earlier today.

 

Coastal hillsides along the Rincon section of PCH. This gives you a good idea of what the vegetation looked like as of two days ago (pre-burn).

  

Coastal hills along the Rincon section of PCH midday on December 27, 2015.

 

12-27-15 9:00 Update:

See the latest from the VC Star.

Ventura County Fire Officials are now reporting 70% containment.  Staffing is a bit down from yesterday at a reported 426 firefighters on scene as of this morning.

The cause of the blaze has now been confirmed to be private power lines that were blown down by high winds.  These were on an oil production company’s property.  There were near active wells, but those wells were apparently not damaged.  Usually these areas are devoid of vegetation.

12-26-15 23:00 Update:

See the latest from the VC Star and LA Times.

All lanes of PCH and all rail service had reopened at of mid afternoon as winds have continued to slacked throughout the day.  The immediate coastal zone and associated oil infrastructure is mostly out of danger at the moment.  Ventura County Fire Department is reporting 60% containment as of this evening thanks to the huge support in both manpower and air support.

 

The Solimar Beach Fire

A Ventura County Fire Department engine on PCH as flames from the Solimar Beach fire burning along PCH just north of Ventura on December 26, 2015. (Image: Ryan Cullom)

A Ventura County Fire Department engine on PCH as flames range from the Solimar Beach Fire burning just north of Ventura on December 26, 2015 (Image: Ryan Cullom).

The fire viewed from the city of Ventura. Image: Ventura County Fire.

The fire viewed from the city of Ventura (Image: Ventura County Fire).

Solimar Fire from the cockpit of a Ventura County Air Unit Copter 7 making a pass on the morning of December 26, 2105 (image: tweet from Ventura County Air Unit).

Solimar Fire from the cockpit of a Ventura County Air Unit Copter 7 making a pass on the morning of December 26, 2105 (image: tweet from Ventura County Air Unit).

A train passes a burned segment of hillside e along PCH just North of Ventura, Boxing Day, 2015 (Image: Chuck Kirman/Ventura County Star).

A train passes a burned segment of hillside e along PCH just North of Ventura, Boxing Day, 2015 (Image: Chuck Kirman/Ventura County Star).

A fast-spreading, offshore wind-whipped wildfire has burned as estimated 480 ha (1200 acres) of coastline (as of the 11:00am press briefing on December 26, 2015) near Solimar Beach north of Ventura, California.  The fire has prompted mandatory evacuations along the nearby beach enclaves and a complete closures the 101 Freeway (aka Pacific Coast Highway aka PCH) in both directions as of early Saturday morning.  Rail lines which parallel the freeway along this section of our coast are also shut down until further notice.

Ventura County Fire personnel are working the fire with more than 600 fire fighters on scene or en route to the fight the fire.  The flames are being pushed by a strong northwest wind and currently poses a potential threat to oil, gas, power and rail infrastructure.

Ventura County Fire estimating it will take them about three days to get full containment.

Fire incident map as of midmorning on Boxing Day, 2015. Map: Ventura County Fire

Fire incident map as of midmorning on Boxing Day, 2015. Map: Ventura County Fire

While the actual ignition has yet to be determined, the fire appears to have begun around 10:30 p.m.  Christmas night near the 3000 block of West Pacific Coast Highway.  Overnight flames were within 50 m (150 feet) of the sand and various of our long-term sandy beach monitoring sites.

Solamar Beach Fire freeway closures as of Boxing Day, 2015.

Solamar Beach Fire freeway closures as of Boxing Day, 2015.

Oil & Gas Infrastructure in Harms Way

Fire officials claim to be on cautiously worried about oil and gas facilities in the vicinity, citing the fact that oil companies have cleared ample brush around the perimeters of their operations and are now working closely with emergency personnel to avoid any problems.

Detail of the San Miguelito oil field partly threatened by Solamar Beach Fire. Red dots are locations of active oil wells as of 2008 (after Wikicommons)

Detail of the San Miguelito oil field partly threatened by Solamar Beach Fire. Red dots are locations of active oil wells as of 2008 (image: Wikicommons).

Altered Freeway Traffic…

Union Pacific Rail, PCH, and the 101 Freeway from State Route 33 to State Route 150 were closed as of early morning on December 26 given both the proximity of the fire to the roadbed and the fact flames were sporadically jumping PCH itself and igniting vegetation on the seaward side of the roadbed.

Given the complete closure of the Rincon, the alternative route for this major north-south corridor was via the 150 and 33 highways.  As someone who regularly drives this twisting, curvy route, I was relieved to see that the California Highway Patrol recommended big rigs NOT take State Route 150.

…will Kill More Animals

Our lab is uniquely positioned to quantify the potential unintentional consequences of this necessary, altered traffic flow.  More on this later, but in brief we have been monitoring wildlife road kill across southern California roads for the past decade and have robust estimates of how many critters are killed on more than 50 roadways in and around Ventura County.

Before this closure we had documented the following kill rates along these three roads (the Rincon section of the 101, the 33, and the 150):

road Segment milage speed limit (mph) mean kills per mile max vehicles per hour mean vehicles per hour
33 (Ojai) 11.2 55 0.20 3,120 1,352
150 (Casitas) 16.5 45 0.20 600 227
101 (Rincon) 12.6 65 0.06 7,772 4,315

As the 33 is one of our most intense concentrations of road kill in the county, I estimate that as we boost the traffic flow along the 33 and 150 highways, we will see perhaps an additional 58 animal kills that we would not have seen had the bulk of the traffic remained on PCH/had we not had this fire.

What a great event!

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PatrickMicheala and I arrived just as the sun was coming up to a great event at Ledbetter Beach in Santa Barbara!  This ‘keiki’ surf contest was hosted by Surf Happens which is a local surf school in Santa Barbara dedicated to teaching kids the art of surfing with proper education, etiquette and history of the sport.  The group promotes the high five initiative where everyone that hits the beach picks up 5 pieces of trash before they enjoy the waves.

This weekend was special because Pro Surfer Lakey Peterson was there to host the event and had a special clinic session for Teddy Bear families with kids that have cancer.  It was pretty cool to watch parents and kids out there having fun in the waves with a pro surfer!

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Greenhouse

A part of my capstone involves conducting a common garden experiment on germinating Torrey pine seeds in different environmental settings. I will be testing the effects of leaf litter and precipitation on the Torrey pines population seedling survival and germination rate. I have learned this week that there will be room in the CSU Channel Islands greenhouse for my common garden experiment, but there is only two set watering schedules that I believe will work. Also, I am still waiting for my permit from Torrey Pines State Natural Reserve. I hope to get the permit as I feel that it is an important part of my experiment.

Torrey Pines Pine Cones

Torrey Pines Pine Cones

Leadbetter Classic: Surf & Pollution Ed

Dorothy Horn (ESRM), Lakey Peterson, Michaela Miller (ESRM), and Patrick Costa (ESRM) on Leadbetter Beach. December 19, 2015.

Dorothy Horn (ESRM), Lakey Peterson (Pro Surfer & Activist), Michaela Miller (ESRM), and Patrick Costa (ESRM) on Leadbetter Beach. In front of our Sandy Beach Pollution Education Booth.  December 19, 2015.

Lakey Peterson Bowl

 

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Today part our our sandy beach team trekked up to Santa Barbara’s Leadbetter Beach for the second annual Lakey Peterson Keiki Bowl/Leadbetter Classic.  This mix between surf competition and camp is a collaboration between pro surfer Lakey Peterson, Santa Barbara surf school Surf Happens, and the Teddy Bear Cancer Foundation.  In addition to a surf competition for kids and teenagers, this beach festival offered free surf clinics to children battling cancer.

High Five

We contacted organizers about a month ago to see if they might be interested in having us lend some technical and education help, motivated to reach out after hearing about Surf Happens’ High Five program.  In the vein of 50 Simple Things You Can Do To Save The Planet by John Javna, the High Five Program urges beach-goers to simply pick up five pieces of trash every time they go to the beach.  Participants are also encouraged to brainstorm five simple steps they might take in their daily lives to reduce pollution more generally and, in so doing, minimize their individual carbon footprint.

Steps like “pick up five pieces of trash” are simple.  But not simplistic.  To be sure they are not enough to stop climate change or beach degradation in and of themselves.  But like our sustainable seafood, road kill, and numerous other hybrid research-education efforts, we find that getting folks to see the world in a different way can be extremely powerful.  The strength lies in the ability of such efforts to get the public to see what is so mundane as to appear invisible or non-noteworthy as visible and noteworthy.

ESRM: Educating Surfers & Beach Goers

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Our ESRM Sandy Beach Research team was well represented by Dorothy Horn, Michaela Miller, and Patrick Costa who set-up a pubic education station to explain the work we have been doing measuring the health of California’s sandy beaches.  In particular they brought up our tools and outreach materials to explain the level of plastic pollution impacting our beaches across the state.  Our microplastic displays are always a hit (albeit a potentially scary one).

Called Due To Rain

Aggregate rainfall in Santa Barbara and Ventura County on December 19, 2015. Total rainfall (in inches) for the previous 12 hours (as of 16:00). Data courtesy Ventura County Watershed Protection District.

Aggregate rainfall in Santa Barbara and Ventura County on December 19, 2015. Total rainfall (in inches) for the previous 12 hours (as of 16:00). Data courtesy Ventura County Watershed Protection District.

The public began showing up in large numbers at 11am.  Unfortunately, by noon the rains had hit and folks rapidly melted away to warmer and drier indoor settings.  As our booth was set-up in the main event area, we closed down early along with the rest of the event.  We love the rain, but were a bit bummed the weather kept us from clocking in a full day of education and outreach.  On the upside, we were to very happy to get and invite to present another educational booth at the upcoming Rincon Classic International Surf Competition in January 2016.

Thanks to all our Santa Barbara friends and the Leadbetter organizers!  We lookforward to helping out with future events!

 

 

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Permitted

I got my permit finalized today by the Ventura County Watershed Protection District. I will work on calibrating the sondes over the next day or so and be out sampling this weekend.

ExxonMobil Investigated for Possible Climate Change Deception

Exxonmobil-truthiness

Lipstick on a Pig?

It appears to be no coincidence that ExxonMobil has recently released a new series of beautiful and very slick TV and online ads implying that they are all about innovation and very interested in alternative energies.  (Their most recent releases are below:)

Reality is far from the images portrayed in this campaign where internal combustion engines emit rainbows and industry scientists spend time researching algal-based biofuels.  Indeed, this current lobbying effort seem to be mostly about serving as something of a counter point to two major media stories capturing wider media attention here in December of 2015: the Paris Climate Change Summit and the unfolding investigation into alleged illegal statements and deception from Exxon leadership.  While the role of ExxonMobil in funding anti-science campaigns and backing political candidates who loathe facts or reasoned discussion on energy policy and the most detrimental aspects of our oil-based economy is well known.

What we say to our family vs. what we tell the neighbors

Recent investigations into Exxon’s internal documents show they were indeed at the cutting of climate change research back in the day and knew of the potential threats of fossil fuel-related emissions since I was a little kid in the 1970’s. As Harvard climate historian Naomi Orestes noted in the New York Times in October:

But Exxon was sending a different message, even though its own evidence contradicted its public claim that the science was highly uncertain and no one really knew whether the climate was changing or, if it was changing, what was causing it … Journalists and scientists have identified more than 30 different organizations funded by the company that have worked to undermine the scientific message and prevent policy action to control greenhouse gas emissions.

Exxon responded to these revelations by pointing out that over the last 4o years their scientists (apparently the lady in the above TV spot???) have continued to publish peer-reviewed climate research:

Our scientists have contributed climate research and related policy analysis to more than 50 papers in peer-reviewed publications – all out in the open. They’ve participated in the United Nations Intergovernmental Panel on Climate Change since its inception – in 1988 – and were involved in the National Academy of Sciences review of the third U.S. National Climate Assessment Report.

Finally, I’ll note that we have long – and publicly – supported a revenue-neutral carbon tax as the most effective, transparent, and efficient way for governments to send a signal to consumers and the economy to reduce the use of carbon-based fuels.

Exxon has know the reality about climate change as long as there has been a galaxy far, far away.

Exxon has know the reality about climate change as long as there has been a galaxy far, far away.

The interesting issue here is the apparently marked divergence between the now-released revelations from these previously hidden internal reports and Exxon’s public face (their spokesman pointed to Exxon’s peer-reviewed publications from their scientists between 1983 and 2014 – 53 papers in all), including their comments to shareholders.

While the then-Exxon (now ExxonMobil) was understanding and apparently attempting to deal with climate change as early as 1977 (note to my younger students: this was when the first Star Wars was released and 11 years before the launch of the IPCC), their outward arguments have been something different. Distinct from this internal behavior/reality, Exxon has had a different public persona since at least the mid 1980’s.  To the wider world, Exxon has spent the past 40 years wholeheartedly refusing to publicly acknowledge climate change and gone so far as to promote misinformation (a more cynical person might even use the term “propaganda”) ala the tobacco industry regarding the health risks of smoking.  Both were industries producing products and byproducts with significant and increasingly well understood toxicity who were concerned that acknowledging this toxicity could subsequently drive away consumers and ultimately harm their profitability.

Criminal behavior?

The recent revelations of internal documents apparently show that ExxonMobil recognized the potential dangers of climate change and began factoring likely predictions from rising seas, more intense hurricanes, etc. into their own internal business planning and decisions as early as 1981.  The ensuing raft of news coverage drove the New York State Attorney General to launch an investigation last month to determine whether ExxonMobil indeed broke the law by misleading investors and the public about the risks posed by climate change.

As The New York Times reported last month:

According to people with knowledge of the investigation, Attorney General Eric T. Schneiderman issued a subpoena Wednesday evening to ExxonMobil, demanding extensive financial records, emails and other documents.

The investigation focuses on whether statements the company made to investors about climate risks as recently as this year were consistent with the company’s own long-running scientific research.

The people said the inquiry would include a period of at least a decade during which Exxon Mobil funded outside groups that sought to undermine climate science, even as its in-house scientists were outlining the potential consequences — and uncertainties — to company executives.

Kenneth P. Cohen, vice president for public affairs at ExxonMobil, said on Thursday that the company had received the subpoena and was still deciding how to respond.

A detailed July 2015 press release from the Union of Concerned Scientists links to various original documents that sparked the recent concern and investigations.  Anyone wishing to see the original documents should check that out.

Public double think speak

It is perhaps not surprising that a company that exists to make money might set a course that is designed to maximize their revenues, ecotoxicological facts and planet be damned.  Leaving those issues aside, I think it is perhaps most illuminating to see what was actually said over the years.  Forget all the rhetoric on both sides of the issue for a moment and focus on what was actually said.  The New York Times did a great job in excerpting relevant passages from these internal documents (see the publicly available ones here) in a story last month.  I have excerpted and formatted the following statements after that piece.  I have added in my own commentary by denoting statements which I believe to be accurate (in green) and statements which are perhaps disingenuous (in red).  You can be the judge as to whether these red statements cross the line…or just wait for the New York Attorney General’s formal findings to be released in the coming months.

    • 1980
      Internal Exxon Document

      From a paper titled, “Exxon Research and Engineering Company’s Technological Forecast CO2 Effect,” by H. Shaw and P.P. McCall:

      “Projections of scientists active in the area indicate that the contribution of deforestation, which may have been substantial in the past, will diminish in comparison to the expected rate of fossil fuel combustion in the future. A number of scientists have postulated that a doubling of the amount of carbon dioxide in the atmosphere could occur as early as 2035. Calculations recently completed at Exxon Research indicate that using the energy projections from the CONAES (Committee on Nuclear and Alternative Energy Systems) study and the World Energy Conference, a doubling of atmospheric CO2 can occur at about 2060.

    • 1989
      Duane G. Levine, Exxon’s Manager of Science and Strategy Development

      A year after the NASA climate scientist James Hansen warned Congress that global warming was already occurring, an Exxon scientist made a presentation on the topic to the company’s board of directors. His notes included the following language:

      “In spite of the rush by some participants in the greenhouse debate to declare that the science has demonstrated the existence of [global warming] today, I do not believe such is the case. Enhanced greenhouse is still deeply imbedded in scientific uncertainty, and we will require substantial additional investigation to determine the degree to which its effects might be experienced in the future.”

    • 1995
      Lenny Bernstein, Exxon Mobil Chemical Engineer and Expert on Climate Change

      An email by Mr. Bernstein to Ohio University’s Institute for Applied and Professional Ethics shows that Exxon (before its merger with Mobil) was aware of climate change science years before it became a political issue.

      In his note, Mr. Bernstein refers to a giant natural gas field in Indonesia that Exxon did not ultimately develop:

      “Exxon first got interested in climate change in 1981 because it was seeking to develop the Natuna gas field off Indonesia. ”

      “When I first learned about the project in 1989, the projections were that if Natuna were developed and its CO2 vented to the atmosphere, it would be the largest point source of CO2 in the world and account for 1 percent of projected global CO2 emissions.”

    • 1997
      Lee Raymond, Exxon Chief Executive

      Mr. Raymond, in a speech to the 15th World Petroleum Congress in Beijing, addressed the issue:

      “It is highly unlikely that the temperature in the middle of the next century will be affected whether policies are enacted now or 20 years from now.”

    • 2000
      Exxon Mobil Newspaper Ad

      In response to the Clinton Administration’s report on the potential effects of climate change on different regions and industries in the United States, the company took out a lengthy ad. Excerpts include:

      “The report’s language and logic appear designed to emphasize selective results to convince people that climate change will adversely impact their lives.”

      “The report is written as a political document, not an objective summary of the underlying science. Climate change is an important public issue. That is why we support emphasis on further climate research, the development and encouragement of promising technology, the promotion of more efficient use of energy, the removal of barriers to innovation, and cost-benefit assessments of proposed policies.”

    • 2002
      Bob B. Peterson, Chief Executive of Imperial Oil, Exxon Mobil’s Subsidiary in Canada

      Mr. Peterson told the Canadian Press news service that “Kyoto is an economic entity,” referring to the Kyoto Protocol initiative to reduce greenhouse gas emissions:

      “It has nothing to do with the environment. It has to do with world trade. This is a wealth-transfer scheme between developed and developing nations.”

    • 2004
      Exxon Mobil Newspaper Ad

      “Scientific uncertainties continue to limit our ability to make objective, quantitative determinations regarding the human role in recent climate change or the degree and consequences of future change.”

    • 2007
      Rex Tillerson, Exxon Mobil’s Chief Executive

      Mr. Tillerson changed course in a speech before a conference in Houston organized by the energy consulting firm Cambridge Energy Research Associates:

      “The risks to society and ecosystems from climate change could prove to be significant. So, despite the uncertainties, it is prudent to develop and implement sensible strategies that address these risks.”

      “A range implies a certain degree of uncertainty. Policy decisions need to accommodate that uncertainty.”

    • 2008
      J. Stephen Simon, an Exxon Mobil Senior Vice President

      Testifying before a Senate Judiciary Committee on May 21, 2008, Mr. Simon was pressed by Senator Sheldon Whitehouse, Democrat of Rhode Island, who suggested that fringe views on climate change were being endorsed and espoused by oil companies. Mr. Simon responded:

      “In other words, that we are supporting junk science and trying to make people think that this is not an issue. I think all of us recognize it is an issue. It is how we deal with it – and I think we are dealing with it, and we are doing so in a responsible fashion.”

    • 2010
      Exxon Mobil Annual Report

      “Because we want to ensure that today’s progress does not come at the expense of future generations we need to manage the risks to our environment. This includes taking meaningful steps to curb global greenhouse gases (GHG) emissions, while also utilizing local resources to help maintain secure supplies. Energy-related carbon dioxide (CO2) emissions represent close to 60 percent of global GHG emissions attributed to human activities, and are expected to increase about 25 percent from 2005 to 2030. This increase is substantially lower than the projected growth in energy demand over the period, reflecting improved energy efficiency, as well as a shift to a significantly less carbon-intensive energy mix – mainly natural gas, nuclear and wind gaining share as fuels for power generation.”

    • 2014
      Exxon Mobil Annual Report

      The company commented on various countries’ consideration of rules for reductions in greenhouse gas emissions to control climate change:

      “These requirements could make our products more expensive, lengthen project implementation times, and reduce demand for hydrocarbons, as well as shift hydrocarbon demand toward relatively lower-carbon sources such as natural gas.”

    • 2015
      Ken Cohen, Exxon Mobil Vice President for Public and Government Affairs

      Mr. Cohen, in a blog post entitled “Exxon Mobil’s commitment to climate science,” wrote:

      “What we have understood from the outset – and something which over-the-top activists fail to acknowledge — is that climate change is an enormously complicated subject.

      “The climate and mankind’s connection to it are among the most complex topics scientists have ever studied, with a seemingly endless number of variables to consider over an incredibly long timespan.”