Signals

Farmers in Ghana’s Upper East region traditionally decided when to plant and harvest their crops in rhythm with regular rainfall cycles. But the rains now come at increasingly odd times, farmland is turning into desert, and farmers have been forced to endure temperatures high enough to melt tarmac. Amid these impacts, agroforestry is offering a […]

Beavers were hunted to extinction in England 400 years ago, but they made a mysterious comeback in 2014.