The highest CO2 level in human history is in Hawaii

Science


The highest concentration of carbon dioxide in human history is recorded at the Mauna Loa Observatory in Hawaii.

In May, the average CO2 content was 414.8 ppm – a value that hasn’t been found on Earth for millions of years.

Usually, CO2 levels at Mauna Loa peak at this time of year, but carbon dioxide levels have risen steadily in recent decades. The peak for this year is 3.5 ppm higher than the previous year’s peak of 411.3 ppm.

Climate experts agree that increasing atmospheric CO2 caused by combustion of oil, gas and other fossil fuels is responsible for increasing global temperatures.

“There are many proposals to stem global warming, but without a rapid reduction in fossil fuel CO2 emissions, everything is meaningless,” said Peter Tans, NOAA’s Global Surveillance Scientist for USA Today.

Carbon dioxide is the most abundant greenhouse gas, but the proportion of other gases that heat the planet, such as methane, also increases. NOAA tracks many of them.

Earlier this year, NOAA announced that annual greenhouse gas inventories, a measure of greenhouse gas emissions and their impact on the capture capacity of heat in the atmosphere, had increased to 1.43.

“Greenhouse gas pollution captures heat in the atmosphere, which has consequences,” said James Butler, director of the NOAA Global Monitoring Unit. “That won’t happen – burning fossil fuels changes the direction of our planet’s future.” “How people do this will be a big challenge in the coming decades.”

The agency also announced that CO2 levels in 2018 have reached record levels. This reflects the results of other studies that show that CO2 emissions have increased worldwide after a few years of minimal growth.

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