TECH | Atmospheric Carbon Dioxide Hits Record Levels

The amount of carbon dioxide in the atmosphere has increased at an unprecedented pace in the last two years, even as Trump administration officials discount the relevance of a number that many climate scientists find deeply disturbing.
The CO2 measured at the Mauna Loa Baseline Atmospheric Observatory in Hawaii hit 405.1 parts per million last year, the National Oceanic and Atmospheric Administration announced. That’s an increase of 3 parts per million, which matched the record of 3 parts per million in 2015.

It marks five consecutive years of CO2 increases of at least 2 parts per million, an unprecedented rate of growth, said Pieter Tans, lead scientist at NOAA’s Global Greenhouse Gas Reference Network.
“The rate of CO2 growth over the last decade is 100 to 200 times faster than what the Earth experienced during the transition from the last ice age,” Tans said. “This is a real shock to the atmosphere.”

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