Five have been killed since May. Police call it a "serious homicide crime" and are investigating the possible motives — which may have to do with cultural beliefs.
It's the Green Climate Fund. It was called out last week by President Trump, who said he would cut off U.S. "billions." What does it do, exactly, and what will be the impact of the cutback?
About 5 percent of pregnant women infected with Zika in Puerto Rico and other U.S. territories last year had babies with birth defects, says the federal health agency. And the risk isn't over.
Scientists and activists in India are training citizens to collect information on water issues like contamination — and upload it so it can be used to push for change.
In Latin America, they drink the blood of big animals and can spread rabies. Livestock die. So do people. Ranchers want to wipe the bats out. Does anyone think that's a bad idea?
Coffee is Uganda's most valuable industry, but climate change could cut production by half by 2050. Small farmers there are already feeling the effects, as they document in these photos.