Current CO2 levels, unprecedented on Earth in 14 million years | RCI – Radio-Canada.ca
This paper in the journal Science (new window) traces CO2 levels from 66 million years B.C. BC to today’s global warming with unprecedented precision. “This shows us the extent to which what we are doing is really, really unusual in Earth’s history,” lead author Baerbel Hoenisch, a researcher at Columbia University in New York, told … [Read more…]