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.

Emperor penguins perish as ice melts to new lows: Study

Colonies of emperor penguin chicks were wiped out last year as global warming eroded their icy homes, a study published Thursday found, despite the birds' attempts to adapt to the shrinking landscape.