Warming in the Arctic is intensifying methane emissions, contributing to a vicious feedback loop that could accelerate climate change even more, according to a new study published May 7 in Nature.

Stanford geoscientist Ken Caldeira often says that the fossil-fuel energy system “uses the sky as a waste dump.” Carbon dioxide (CO 2), the waste created by burning fossil fuels, has been building up ...

This illustration shows the ways in which methane from the subsurface might find its way to the surface where its uptake and release could produce a large seasonal variation in the atmosphere as ...