The small village of Kivalina is threatened on several fronts by a warming Arctic climate, as the ground it sits on erodes, and the animals the villagers rely on become more difficult to hunt.
American agriculture's land "emergency," and how to solve it
Why nature's least sympathetic creatures deserve to be saved, and how to make a start
A new book explores the link between social collaboration and behavior that makes our species unique.
Where others sought separation, Maria Sibylla Merian saw connection.