Exxon's Contradictory Reports Applaud Natural Gas and Fighting Climate Change
The good news is that Exxon, the nation’s largest oil and gas company, responded swiftly to shareholder concerns by releasing two reports on the company's long-term climate risk and environmental impact.
The bad news is that the company issued a mixed message in the process. While the company admits that climate change should not be ignored, it also trumpeted the ability of carbon-based fuels to help meet energy demands.
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"Our analysis and those of independent agencies confirms our long-standing view that all viable energy sources will be essential to meet increasing demand growth that accompanies expanding economies and rising living standards,” William Colton, ExxonMobil’s vice president of corporate strategic planning, said in a company statement.
In the same statement, Colton adds that it is "equally essential" that society invests in research to reduce greenhouse emissions. He said the company is doing the same, emphasizing the production of lower-carbon fuels.
Still, the company says that it will need all of its hydrocarbon reserves to meet global energy demands. Back in December, Craig Mackenzie, head of sustainability at the Scottish Widows Investment Partnership, advised that "the main risk" related to climate change for investors and pension funds was hydrocarbon investment.
As for Exxon's efficiency and emissions reduction efforts, one of the reports, Energy and Carbon—Managing the Risks, states that the huge corporation tries to ease its pressure on the grid by using 100 cogeneration units at more than 30 sites. The reports states that Exxon conserved 8.4 million metric tons of greenhouse gases between 2009 and 2012, compared to previous amounts.
The report also talks about its synthetic lubricants developed to improve vehicle engine efficiency, along with lighter-weight plastics the company developed to reduce vehicle weights to make them more efficient.
Still, the report goes on to applaud Exxon's standing as the largest producer of natural gas. While officials say that natural gas emits 60 percent less carbon dioxide than coal when used as a power source, it still, in fact, emits carbon dioxide, which won't help in the fight against climate change that Colton addressed in the company's statement.
The Fossil Free advocacy organization had a similar view.
"The reports have made it very clear that Exxon have no intention of adapting their business model whatsoever," Fossil Free wrote in a brief analysis of Exxon's announcement. "To stay within the 2 degrees celsius limit, 80 percent of the fossil fuel industries’ known carbon reserves need to remain unburnt. Yet, Exxon is spending $33 billion this year alone to discover and develop yet more carbon."
Exxon's reports were released on the same day that United Nation's Intergovernmental Panel on Climate Change issued a report suggesting that climate change could impact our food and water supply and lead to resource wars in the future.
Relying on Bloomberg's Carbon Risk Valuation Tool, Fossil Free estimates that Exxon's reserves could eventually turn into stranded assets that decline share prices by 45 percent.
"It’s wrong to profit from an industry that is wrecking our future and fiduciary duty must reflect that," the organization writes. "Institutional investors in particular must start to play an active stewardship role with the funds they are entrusted with.
"Investors need to pull their money out of high-carbon assets as quickly as possible."
In March, social responsibility investment firm Arjuna Capital filed a request for carbon risk reports through a partnership with shareholder responsibility advocacy group As You Sow. It marked the first time Exxon has ever agreed to such disclosure or received such a request.
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If weather is your mood, climate is your personality. That's an analogy some scientists use to help explain the difference between two words people often get mixed up.
Size Matters<p>Climates are a bit like woven tapestries. The big picture is important, no question. But so are all the seemingly minor details found inside the larger whole.</p><p><a href="https://research-information.bris.ac.uk/en/persons/tommaso-jucker" target="_blank">Tommaso Jucker</a> is an environmental scientist at the University of Bristol. In an email, Jucker says he'd define the term microclimate as "the suite of climatic conditions (temperature, rainfall, humidity, solar radiation) measured in localized areas, typically near the ground and at spatial scales that are directly relevant to ecological processes."</p><p>We'll talk about that last bit in a minute. But first, there's another criteria to discuss. According to some researchers, a microclimate — by definition — must differ from the larger area that surrounds it.</p><p><a href="https://www.cfc.umt.edu/research/paleoecologylab/publications/Davis_et_al_2019_Ecography.pdf" target="_blank">Forests</a> provide us with some great examples. "The climate near the ground in a tropical rainforest is dramatically different from the climate in the canopy 50 meters [164 feet] above," says University of Montana ecologist <a href="https://www.cfc.umt.edu/personnel/details.php?ID=1110" target="_blank">Solomon Dobrowski</a> in an email. "This vertical gradient among other factors allows for the staggering biodiversity we see in the tropics."</p><p>Likewise, scientists observed that a 2015 partial <a href="https://animals.howstuffworks.com/insects/bees-stopped-buzzing-during-2017-solar-eclipse.htm" target="_blank">solar eclipse</a> caused the air temperature of an Eastern European meadow to <a href="https://rmets.onlinelibrary.wiley.com/doi/full/10.1002/wea.2802" target="_blank">change more dramatically</a> than it did in a nearby forest. That's because trees provide not only shade, but their leaves also reflect solar radiation. At the same time, forests tend to reduce wind speeds.</p><p>All those factors add up. A 2019 review of 98 wooded places — spread out across five continents — found that forests are 7.2 degrees Fahrenheit (4 degrees Celsius) <a href="https://natureecoevocommunity.nature.com/posts/47363-forests-protect-animals-and-plants-against-warming" target="_blank">cooler on average</a> than the areas outside them.</p><p>Now if you hate the cold, don't worry; there's a cozy exception to the rule. According to that same study, forests are usually 1.8 degrees Fahrenheit (1 degree Celsius) warmer than the external environment during the wintertime. Pretty cool.</p>
A Bug's Life<p>When does a microclimate stop being, well, micro? In other words, is there a maximum size we should be aware of when discussing them?</p><p>Depends on who you ask. "In terms of horizontal scale, some have defined 'microclimate' as anything that is less than 100 meters [328 feet] in range," Jucker says. "I'm personally less prescriptive about this."</p><p>Instead, he says the "scale at which we want to measure [a particular] microclimate" ought to be "dictated" by the questions we're trying to answer.</p><p>"If I want to know how temperature affects the photosynthesis of a leaf, I should be measuring temperature at centimeter scale," Jucker explains. "If I want to know if and how temperature affects the habitat preference of a large, mobile mammal, it's probably more relevant to capture temperature variation across [tens to hundreds] of meters."</p><p>For instance, solitary plants have the power to generate itty-bitty microclimates. Just ask <a href="https://www.colorado.edu/geography/peter-blanken-0" target="_blank">Peter Blanken</a>, a geography professor at the University of Colorado, Boulder and the co-author of the 2016 book, "<a href="https://amzn.to/2XN6FT8" target="_blank">Microclimate and Local Climate</a>."</p>
The urban heat island effect is a good example of how microclimates work. NOAA
Microclimates on a Grand Scale<p>It's no secret that our planet is going through some rough times at the macro level. The global temperature is <a href="https://climate.nasa.gov/vital-signs/global-temperature/" target="_blank">climbing</a>; nine out of the <a href="https://www.noaa.gov/news/2019-was-2nd-hottest-year-on-record-for-earth-say-noaa-nasa" target="_blank">10 hottest years on record</a> have occurred since 2005. And by one recent estimate, roughly 1 million species around the world are <a href="https://ipbes.net/sites/default/files/2020-02/ipbes_global_assessment_report_summary_for_policymakers_en.pdf" target="_blank">facing extinction</a> due to human activities.</p><p>"One of the big questions that ecologists and environmental scientists are trying to answer right now is how will individual species and whole ecosystems respond to rapid climate change and habitat loss," says Jucker. "...To me, [microclimates are] a key component of this research — if we don't measure and understand climate at the appropriate scale, then predicting how things will change in the future becomes a lot harder."</p><p>Developers have long understood the impact small-scale climates have on our daily lives. <a href="https://science.howstuffworks.com/environmental/green-science/urban-heat-island.htm#pt0" target="_blank">Urban heat islands</a> are cities that have higher temperatures than neighboring rural areas.</p><p>Plants release vapors that can moderate local climates. But in cities, natural greenery is often scarce. To make matters worse, plenty of our roads and buildings have a bad habit of absorbing or re-emitting heat from the sun. <a href="https://www.google.com/books/edition/Microclimate_and_Local_Climate/LHUZDAAAQBAJ?hl=en&gbpv=1&bsq=urban%20heat%20island" target="_blank">Vehicle emissions</a> don't exactly help the situation.</p><p>Still, it's not like Boston or Beijing are thermal monoliths. Sometimes, the documented temperatures <a href="https://e360.yale.edu/features/can-we-turn-down-the-temperature-on-urban-heat-islands" target="_blank">within a single city</a> vary by 15 to 20 degrees Fahrenheit (8.3 to 11.1 degrees Celsius).</p><p>That's where metro parks and city trees come in. They have nice cooling effects on nearby neighborhoods. "Several cities around the world have developed programs to increase urban green spaces," says Blanken. "Tree planting programs and green roof programs, have been shown to lower surface temperatures, decrease air pollution and decrease surface water runoff (urban flash-flooding) in urban areas."</p>
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