Africa-Canada scheme funds nanotech to purify water

Partnership between Canada, Kenya and South Africa targets cheaper clean-up of water and soil using nanotechnology.

Most countries lose out with forest-to-farm conversions

Converting forests into farms is not economically viable except in a few regions, says a global study.

'Superbugs' found in Brazil's urban waters

Researchers discover several species of multidrug-resistant bacteria in lakes and rivers of major cities.

Libyans protest at severe water crisis

Infrastructure problems linked to conflict lead to disrupted supply in major cities, protest and informal trade.