During the Ordovician period, the concentration of CO2 in the earth's atmosphere was about eight times higher than today. It has been hard to explain why the climate cooled and why the Ordovician ...

Achieving the Paris Agreement goals of keeping global warming to “well below” 2C, or to 1.5C, above pre-industrial levels will require rapid decarbonisation of human society. But national commitments ...

Professor Arline T. Geronimus of the University of Michigan developed the theory of “weathering” while studying health complications of first-time mothers and identifying racial and economic ...

This story is part of SELF's ongoing series exploring black maternal mortality. You can find the rest of the series here. Imagine for a moment that you’re a very silly 22-year-old driving through ...