International efforts, including the Paris agreement, may not be able to solve the climate change crisis on their own.
Study suggests that if climate change continues unabated, there soon won’t be enough snow in northern Alaska for polar bears to dig birthing dens.
Climate change may cause trees to live faster and die younger, releasing their carbon into the atmosphere.
A month's worth of cool science stories summed up.
New research adds to the worry that soil microbes will make climate change worse.
Preventing losses of electricity as it travels from the source to where it's used could cut greenhouse gas emissions by half a billion metric tons a year.