Extreme Temperature Diary-May 15, 2019/ Yes They Knew…Oil Companies Covered Up Climate Findings For Decades

Wednesday May 15th … Dear Diary. The main purpose of this ongoing blog will be to track United States extreme or record temperatures related to climate change. Any reports I see of ETs will be listed below the main topic of the day. I’ll refer to extreme or record temperatures as ETs (not extraterrestrials).😉

Yes They Knew…Oil Companies Covered Up Findings For Decades

By now we all have heard of cigarette companies that tried to discount science, which pointed out that their product was harmful to health from the 1960s to 1980s. The stories of people with lung cancer from smoking tug at my heart. One of my own loved uncles passed away from lung cancer in 1984. Now what galls me and other educated people dealing with the climate crisis is that starting in the 1980s some oil companies’ own scientists very accurately predicted what would happen if carbon pollution continued unabated, also covering up findings so that their very profitable business could continue as usual. Hiding the truth, even if doing so is detrimental to others, is a common trait within humanity. If the human race is to survive in the long run those who hide the truth must be exposed as quickly as possible, then proper justice must be handed down so that organizations won’t be as tempted to morally partake in pure evil again.

Today’s featured topic will be the sordid story of Exxon, relating what they knew and when they knew that their product would do great harm to the planet and its people. Let’s have Dr. Michael Mann introduce the article that I will be reposting today. Yes, all reading have a right to be angry here, but let’s channel that emotion unto some positive results:


CO2 in the atmosphere has reached unprecedented levels.

Kyla Mandel May 14, 2019, 12:49 pm

Sun sets on the Bao steel mill in Baotou, Inner Mongolia, China. Baotou, a one-industry town, is also notorious as a big polluter, mostly from the large Bao Steel factory. (Photo credit: Ryan Pyle/Corbis via Getty Images)

Sun sets on the Bao steel mill in Baotou, Inner Mongolia, China. Baotou, a one-industry town, is also notorious as a big polluter, mostly from the large Bao Steel factory. (Photo credit: Ryan Pyle/Corbis via Getty Images)

The concentration of carbon dioxide emissions in the atmosphere reached an unprecedented level this month. Researchers at the fossil fuel giant Exxon saw it coming decades ago.

Measurements taken on May 3 at the world’s oldest measuring station, the Mauna Loa Observatory in Hawaii, recorded “humanity’s first day ever with more than 415 parts per million [ppm] CO2 in the air,” according to the United Nation’s climate change Twitter account. As of May 12, levels have remained steady at 415 ppm.

Never before in human history has there been so much carbon dioxide in the atmosphere. The last time scientists believe it may have been this high was 2.5 to 5 million years ago during the Pliocene epoch, when sea levels were 25 meters higher than today and global temperatures were warmer by 2-3 degrees Celsius.

Keeling curve

CO2 concentration in the atmosphere over the past 800,000 years according to ice core data (pre-1958) and Mauna Loa data (post-1958). (Credit: Scripps Institution of Oceanography at UC San Diego).

Unlike back then, however, the record carbon dioxide emissions being recorded now are the result of humans burning fossil fuels, which releases harmful heat-trapping pollution into the atmosphere. And scientists at Exxon predicted this decades ago.

According to an internal 1982 document from Exxon Research and Engineering Company — obtained by Inside Climate News as part of its 2015 investigation into what Exxon knew about the impact of fossil fuels on climate change — the company was modeling out the concentration of carbon emissions several years into the future.

According to a graph displaying the “growth of atmospheric CO2 and average global temperature increase” over time, the company expected that, by 2020, carbon dioxide in the atmosphere would reach roughly 400 to 420 ppm. This month’s measurement of 415 ppm is right within the expected curve Exxon projected under its “21st Century Study-High Growth scenario.”

ExxonMobil 1982 carbon dioxide projection

In 1982, Exxon scientist projected carbon dioxide concentrations in the atmosphere. (Credit: Exxon via Inside Climate News)

Not only did Exxon predict the rise in emissions, it also understood how severe the consequences would be.

“Considerable uncertainty also surrounds the possible impact on society of such a warming trend, should it occur,” the internal document stated. “At the low end of the predicted temperature range there could be some impact on agricultural growth and rainfall patterns which could be beneficial in some regions and detrimental in others.”

“At the high end, some scientists suggest there could be considerable adverse impact including the flooding of some coastal land masses as a result of a rise in sea level due to melting of the Antarctic ice sheet,” it continued, stating this would only take place centuries after temperatures warmed by 3 degrees Celsius.

Despite this knowledge, the company chose not to change or adapt its business model. Instead, it chose to invest heavily in disinformation campaigns that promoted climate science denial, failing to disclose its knowledge that the majority of the world’s fossil fuel reserves must remain untapped in order to avert catastrophic climate change.

The world is already experiencing the devastating impacts of climate change. As the very first line of the U.S. government’s National Climate Assessment asserts, “The impacts of climate change are already being felt in communities across the country.”

From more intense flooding, drought, heat waves, wildfires, and hurricanes, the world is becoming increasingly aware of what life in a warming world will look like. In 2018, the United States alone experienced 14 different climate and weather-related disasters, each costing over a billion dollars.

The record carbon emissions recorded this month indicate things will most likely continue to get worse; carbon remains in the atmosphere for a long time, meaning it continues to warm the world long after it is emitted. “This is a grim reminder of the perilous path we are on,” climate scientist Michael Mann said.

Mann was one of three scientists to first release what is known as the famous “hockey stick” graph in 1999. The graph, illustrating temperature increase over time, takes the shape of a hockey stick due to the sharp increase after the Industrial Revolution. Twenty years after the graph was released, CO2 levels were roughly 366 ppm. Today, Mann told ThinkProgress over email, they’re increasing by about 3 ppm each year.

“If you do the math, we’ll cross 450 ppm — which likely locks in dangerous planetary warming of more than 2C/3.5F — in just over a decade,” he said. “That means we have to act dramatically, now, to lower global carbon emissions (by about 5-10% a year) if we are to avert catastrophic climate change impacts.”

To sum this up, future generations, mostly, will be the victims of the disinformation campaigns of Exxon and other companies from the 1980S up until this point in time. Youth across the entire globe are reacting in 2019 to the coverup of science. Youngsters are already witnessing some dire effects from global warming wrecking havoc on the planet. How much brown energy companies will be held in account will be interesting to follow during the 2020s as today’s teenage kids turn into tomorrows lawyers and politicians.


Here is some more of Tuesday’s climate and weather news:

(As usual, this will be a fluid post in which more information gets added during the day as it crosses my radar, crediting all who have put it on-line. Items will be archived on this site for posterity. In most instances click on the pictures of each tweet to see each article.)

(If you like these posts and my work please contribute via the PayPal widget, which has recently been added to this site. Thanks in advance for any support.) 

Guy Walton- “The Climate Guy”

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