Earth’s Atmospheric CO2 Hasn’t Been This High In Millions of Years
“Either we drive the fossil fuel industry into extinction—or the human race.”
Climate scientists and concerned citizens are sounding the alarm as daily, weekly, and monthly records for atmospheric carbon dioxide levels continue to be shattered while the fossil fuel-powered capitalist economic system responsible for skyrocketing greenhouse gas pollution plows ahead.
New data from the National Oceanic and Atmospheric Administration (NOAA) shows that the weekly average CO² concentration at the Mauna Loa Observatory in Hawaii reached 421.13 parts per million (ppm) from May 8 to May 14—the highest in recorded history and up from 418.34 ppm one year ago and 397.38 ppm one decade ago.
“We simply do not know a planet like this,” meteorologist Eric Holthaus said Monday. “We are in a climate emergency.”
Earth's atmospheric carbon dioxide just hit a new record not seen in at least 3 million years — since before humans first evolved.
— Eric Holthaus (@EricHolthaus) May 17, 2022
We simply do not know a planet like this.
We are in a climate emergency. https://t.co/gGtkp0mCSi
According to NOAA, the daily average CO² concentration at Mauna Loa hit 422.04 ppm on May 14, just slightly below the agency’s all-time record of 422.06 ppm observed on April 26. Researchers from the Scripps Institution of Oceanography at UC San Diego, meanwhile, measured 421.68 ppm of CO² at Mauna Loa on May 13, which they consider the daily record as of Monday.
The current record-holder for daily reading. https://t.co/NhIrkmkpEa
— Keeling_Curve (@Keeling_curve) May 16, 2022
Those record-breaking daily and weekly measurements came after the monthly average CO² concentration at Mauna Loa surpassed 420 ppm for the first time in human history, with NOAA observing 420.23 ppm in April compared with Scripps at 420.02 ppm.
Pieter Tans, a senior scientist at NOAA, recently told Axios that “it is likely May will be higher still.”
“The window to act on climate change is closing,” American Clean Power warned recently on social media. “Accelerating the transition to clean energy will help reduce emissions and secure a healthier future for all.”
The window to act on climate change is closing: Last month, the amount of CO2 in Earth's atmosphere reached its highest levels in human history.
— American Clean Power (ACP) (@USCleanPower) May 13, 2022
Accelerating the transition to #CleanEnergy will help reduce emissions & secure a healthier future for all. https://t.co/yc2r2XxD0Y
Twenty years ago, the highest monthly average CO² concentration was 375.93 ppm, according to NOAA. In 1958, the first year scientists began collecting data at Mauna Loa, it was 317.51 ppm.
Climate scientist James Hansen, who alerted congressional lawmakers to the life-threatening dangers of the climate crisis in 1988, has long called for reducing atmospheric CO² to below 350 ppm, and there is now a scientific consensus that the livability of the planet decreases beyond such a concentration.
Nevertheless, the annual rate of increase in CO² levels over the past six decades is now roughly 100 times faster than earlier increases that occurred naturally thousands of years ago.
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“The world effectively has made no serious progress compared to what is required,” Tans said earlier this month. “We really need to focus on decreasing emissions and we haven’t had much success globally because the rate of increase of CO² remains as high as it has been in the last decade.”
“CO² has a longevity of hundreds to thousands of years,” he noted, “so we are really making a very long-term climate commitment.”
Speaking with the Financial Times recently, Tans added that “we are going in the wrong direction, at maximum speed.”
California-based activist Joe Sanberg put it even more bluntly last week.
“It’s shocking that we’re staring down the barrel of the greatest existential crisis humanity has ever faced and we still haven’t passed a Green New Deal,” Sanberg tweeted. “Time is running out. Either we drive the fossil fuel industry into extinction—or the human race.”
Source:
Kenny Stancil at Common Dreams
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