Newly discovered damage to part of the dam holding back America's second-largest reservoir has people who rely on the Colorado River worried about their ability to get the water they need.
Ocean temperatures have been unusually hot, which turns the corals a ghostly white. Coral bleaching is expected to get worse as the climate keeps getting hotter. Scientists aim to help corals survive.
China urged to help ease Mideast tensions. Senate kicks off impeachment trial of the Homeland Security secretary. Coral reefs undergo a mass bleaching event which could soon be the worst on record.
Climate change is heating oceans faster than the world's coral reefs can handle. So scientists are breeding corals that can withstand hotter temperatures – but only to a point.
Lightning and heavy rains have killed at least 36 people, mostly farmers, across Pakistan in the past three days, as authorities in the country's southwest declared a state of emergency.
Miami-Dade County had proposed rules that would give workers breaks, water, and shade when it's too hot. But a new state law prevents cities and counties from doing that.
Europe's highest human rights court ruled Tuesday that its member nations have an obligation to protect their citizens from the ill effects of climate change.
Europe's highest human rights court began its session Tuesday on a group of climate change cases aimed at forcing countries to meet international obligations to reduce greenhouse gas emissions.