Malians struggle to cope after deadly heat wave

In Mali's capital Bamako, Aboubacar Pamateck runs a scarf under a trickle of water and wraps it around his head to cope with the West African nation's soaring heat.

Climate impacts set to cut 2050 global GDP by nearly a fifth

Climate change caused by CO2 emissions already in the atmosphere will shrink global GDP in 2050 by about $38 trillion, or almost a fifth, no matter how aggressively humanity cuts carbon pollution, researchers said Wednesday.