Wet April sees 19 counties declared drought free but Environment Agency remains concerned at groundwater levels
More than half of water companies will not be required to reduce leakages before 2015, despite the worst drought in 25 years
Report says governments across Europe may need to send prices signals as part of urgent action needed to tackle shortages
Businesses urged to conserve water as 17 more regions move into drought status
DECC and Defra pay for new supercomputers as new research links industrial air pollution and "natural" disasters
UN scientists warn climate change is set to cause increasingly dangerous and costly weather disasters
UK firm's trials show salt water can be used to grow crops in arid desert environments
From terrifying environmental predictions to fractious nuclear rows, we run down the top stories from the past seven days
Collaborative working could reduce scarcity but policy has yet to catch up with private sector, says World Water Council chief
From soaring drought risks to angry think tanks, we look at the green business lessons from the past seven days