Can land rights for farmers save Ghana's cocoa sector?
The industry regulator has encouraged farmers to clear away old trees but under traditional agreements, a farmer's land rights are tied to the crops he is growing
Mexican wave: harnessing the Pacific’s blue rollers for green energy
Harvesting energy from waves has long lagged solar and wind - but the technology is gaining ground
Myanmar dam breach floods 85 villages, thousands driven from homes
The disaster spotlights safety concerns about dams in Southeast Asia after last month's collapse of a hydroelectric dam in neighbouring Laos
The path to climate cooperation
The hardest climate problem is not CO2, or fossil fuels, or rising seas. The hard nut to crack is getting people to cooperate
Mini power grids bring promise of jobs to rural Nigerians
Minigrids give rural businesses a cheaper, more reliable alternative to the diesel generators people use now to power everything from sawmills to barbershops
More than 50,000 evacuated in Myanmar as homes, shops flooded after dam fails
At least two people missing after being swept away
Milking it: solar coolers heat up earnings for Kenya's dairy farmers
Using solar energy to keep milk cool is making dairy farming much more profitable in Kenya
Five deadliest hurricanes as toll from Hurricane Maria raised
The Great Hurricane in 1780 was the deadliest on record, killing about 20,000 people in the Caribbean
Puerto Rico's death toll from Hurricane Maria raised to nearly 3,000
The poor and elderly were disproportionately hard hit in terms of risk of fatalities
Hawaii residents hit by floods from Hurricane Lane as new storm forms
Tropical Storm Miriam, spinning in the Pacific Ocean some 2,000 miles to the east, is expected to become a hurricane by the time it approaches the islands