Countries are gathering in an effort to stop a collapse of the natural world that scientists say could equal climate change as an existential crisis.
The world lost 14 percent of its coral in just a decade, researchers found.
North Atlantic right whales had been making a slow recovery, but ocean changes linked to global warming are pushing down their numbers again, scientists say.
The Fish and Wildlife Service announced a proposal on Tuesday to list the birds as a threatened species.
At a time when climate change is making heat waves more frequent and more severe, trees are stationary superheroes: They can lower urban temperatures 10 lifesaving degrees, scientists say.
Yes, planting new trees can help. But intact wild areas are much better. The world needs to treat warming and biodiversity loss as two parts of the same problem, a new report warns.