Rescue officials say more than 150 people feared buried in Sri Lanka landslide. Days of torrential rains have forced more than 137,000 people from their homes and killed dpzens in parts of Sri Lanka.
Severe drought exacerbated by El Niño conditions has hit parts of Somalias Puntland and Somaliland, affecting hundreds of thousands of people.
Save the Children warns that the drought in Ethiopia, especially in the Afar region in the north of the country, is putting people's lives in danger of starvation, with children particularly vulnerable.
Around 14 million people across southern Africa face going hungry after a prolonged drought wrecked harvests, with Malawi among the worst hit countries. This week, the Washington-based National Oceanic and Atmospheric Administration (NOAA) is expected to declare 2015 the hottest year on record worldwide.
South Africa's farmers are waiting for the rainy season as a drought leaves them reeling in at least five of the country's nine provinces. Among the worst affected areas is North West province, where one dam, Molatedi, is carrying only five percent capacity and ranchers find new dead cattle every day.
More than 29,000 firefighters are battling some 100 large blazes across the West, including in Idaho, Oregon, Montana, Washington and California.