Harvey brings death, destruction to Houston as flood waters rise
30,000 people expected to seek shelter
Thousands driven from homes, 7 dead, as Harvey hammers Houston
The most powerful hurricane to hit Texas in more than 50 years is forecast to remain in the region for several more days.
Armed men destroy two dozen logging trucks in Chile indigenous dispute
Attack comes less than two weeks after a similar incident in which 18 trucks were burned.
Insurers count cost of Harvey and growing risk from climate change
Munich Re scientist predicts climate change is likely to lead to more intense storms in the future.
As heat rises, women risk death in South Asia
When heat waves hit, women - stuck indoors, wearing heavy clothing and refusing water to avoid toilet trips - are most at risk
The cost of clean water: $150 billion a year, says World Bank
The risk of diarrhoeal diseases and malnutrition caused by unsafe water and poor sanitation is creating a "silent emergency" - World Bank
Kenya imposes world's toughest law against plastic bags
In Nairobi's slaughterhouses, some cows destined for human consumption have had 20 bags removed from their stomachs
Seven reasons we are facing a global water crisis
But each year brings more solutions – like using wastewater for energy and monitoring groundwater levels more closely
Houston devastated by deadly flooding from Harvey, more rain ahead
Authorities have urged residents to stay off the streets as rain falls at up to 5 inches an hour.
Harvey claims second fatality, threatens catastrophic floods
Harvey is the most powerful storm to hit Texas in more than 50 years.