A flood of grants and financial incentives to ensure clean water supplies have been announced by the US Environmental Protection Agency.
A former Olympic venue became a disaster zone for a day as China and South Korea held their first joint drill to prepare for major oil spills.
The combined savings made by businesses using the government-backed environmental advice website NetRegs are in the region of £58m.
A growing area of England's farm land has been marked up as vulnerable to pollution from excessive use of fertilizer.
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