Time to freak out: Earth’s carbon dioxide levels are now irreversible
This is Cape Grim, located in the northwestern part of Tasmania, Australia:
It's the most accurate spot in the southern hemisphere to monitor carbon dioxide in the atmosphere.
And for the first time, Cape Grim will be at 400 parts per million (ppm) of carbon dioxide.
— Peter Hannam (@p_hannam) May 10, 2016
Just FYI, the safe level of carbon dioxide is 350 ppm.
Once this happens, the level of carbon dioxide on Earth will never again go below 400 ppm, according to scientists. In other words, we're in a state of permanent danger from CO2.
Another station in Hawaii already crossed the 400 ppm milestone in 2013.
The last time the levels were this high, humans did not exist.
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Anugya is originally from New Delhi, India. She studied journalism at the CUNY Graduate School of Journalism in New York, graduating with a master's in international reporting. She plans to travel one day to all the places she reads about. She likes reading fiction, pop music, and going to the beach, but absolutely hates anyone mangling or shortening her name (which is quite common). She binge watches Korean dramas and anime series. She's a freelance writer and has produced content that has appeared in NBC, The Times of India, Time Out Delhi, and other publications.