Christopher JoyceChristopher Joyce is a correspondent on the science desk at NPR. His stories can be heard on all of NPR's news programs, including NPR's Morning Edition, All Things Considered, and Weekend Edition.
A heat-stressed koala is doused with water in December 2015 during an extreme heat wave in Adelaide, Australia. Last year was the hottest on record, but 2016 is on pace to supplant it at the top of the list. Every month of this year has set heat records.
Morne de Klerk/Getty Images
Antikythera team members Nikolas Giannoulakis, Theotokis Theodoulou, and Brendan Foley inspect small finds from the shipwreck, while decompressing after a dive of 165 feet beneath the surface of the Mediterranean Sea in Greece.
A view from the Shark Valley Visitors Center in Everglades National Park. Much of the freshwater that used to replenish South Florida's saw grass prairie has been diverted to agriculture, researchers say.
People in Boston enjoyed a late winter heat wave this past March. In much of the U.S., climate change is causing winters to warm faster than summers.
Suzanne Kreiter/Boston Globe via Getty Images
For 15 years, biologists in single-person, ultralight aircraft would each lead an experimental flock of young whooping cranes from Wisconsin to a winter home in Florida. But not anymore.