A harmful invasive plant which has been problematic at a London wetland centre for more than a decade has finally been eradicated by the Environment Agency and the Wildfowl & Wetlands Trust (WWT) - a rare success in the ongoing fight to contain the plant's spread.

Business leaders from global corporations have committed to reduce their carbon dioxide emissions across a wide range of sectors, including energy, communications, building and construction.

The promotion of privatisation to tackle global water problems advocated by the European Commission has been rejected by 45 civil society and labour organisations from around the world, all of whom favour increased public-sector involvement.