Harvey barrels into Texas as Category 4 hurricane
"There will be major impacts along the coast and inland with periods of prolonged rain"
New mudslide hits Swiss town, eight hikers still missing
Melting permafrost due to warming temperatures is likely to be one of the factors behind the disaster
African smallholders can double their yields with half the water
Only 4 to 7 percent of arable land is irrigated in Sub-Saharan Africa
Macau enlists Chinese army as authorities struggle with typhoon fallout
The death toll from Hato stands at nine, with scores missing
FEATURE-Solar roof tiles offer tech boost for Kenya's rural classrooms
New way to provide clean, reliable power in places with patchy grid access helps school children get ahead
Fuel prices rise, refiners shut as U.S. braces for major hurricane
"Now is the time to check your emergency plan and take necessary actions to secure your home or business"
Stretch for power: how high-tech yarn generates new energy
The twistron's most compelling feature was the ability to operate in sea water and potentially harvest vast amounts of energy from the ocean
INTERVIEW - Thirsty world must wake up to looming water crisis, expert says
More than one-third of humanity is water-stressed every year or season, while drought crises are on the rise from California to Ethiopia
Weather boss steps down as Macau struggles to recover from typhoon
Exteriors of buildings, including parts of multi-billion dollar casinos, were ripped away by Hato's powerful winds
China commits to cut northern air pollution by 15 percent
CHINA-POLLUTION/ (UPDATE 1):UPDATE 1-China commits to cut northern air pollution by 15 percent