Trout need cool water to survive, but record heat this summer has driven water temperatures to levels that can kill fish.

Spain's prime minister has a long history of speaking out on the realities of global heating but political opponents remain unnmoved.

Prolonged droughts have exposed the vulnerability of Zambia and Zimbabwe’s hydropower-dependent electricity systems, triggering severe power shortages and renewing interest in coal.

Researchers explain how El Niño and global warming are combining to create "the haves and the have-nots."

Recent studies have linked wildfire smoke exposure to negative birth outcomes such as low birth weight and preterm birth.