World leaders are gathered in Poland this week to discuss climate change. The U.S. hosted a meeting on coal, a highly polluting fuel, that many developing nations depend on.
As negotiators struggle to hammer out the rule book for a global climate agreement, scientists meeting in Washington, D.C., have yet more evidence linking climate change and extreme weather.
A U.N. climate report says the only way to avoid the worst climate impacts will be to suck carbon emissions out of the air. Researchers are trying to find a feasible way to do that.
California has some of the strictest building codes in the country for homes built in areas with wildfire risk. But recent fires show that even the most fire-resistant homes will burn.
American foulbrood is an infectious disease that devastates honeybee hives. Scientists say they've created a vaccine for it, despite a big hurdle: Bees don't have antibodies.