Natural Resources Wales

Swimmers told to stay away from polluted river

'Milky river' now clear after tanker spill

'Milk is seven times more polluting than slurry' Video, 00:00:41'Milk is seven times more polluting than slurry'

Reservoir to be restored to natural lake

River turns white after milk tanker spill

'Over 90% of Wales' woodlands in poor condition' Video, 00:00:53'Over 90% of Wales' woodlands in poor condition'

Welsh rivers had 100,000 sewage spills in a year

Mustard gas among waste in old landfill sites

Beavers back in valley for first time in 400 years. Video, 00:01:21Beavers back in valley for first time in 400 years

Licensed beavers released for first time in Wales

Patrol vessel could join Nicola Faith search

Sport field contamination fears after sewer floods

Railway reopens six months after train derailment

Plans for 300ft chimney near national park rejected

Bid to scrap Wales' farming pollution rules fails

Appeal to track down suspected fly-tipper

Beavers could return to Wales within weeks

Roads flooded and homes evacuated in heavy rain

Cash bid for 'mountain sponge' plan to cut floods

'We want to slow down the water before it floods' Video, 00:01:20'We want to slow down the water before it floods'

Natural resources used at 'unsustainable rate'

Small orchards at schools to be used for learning

People flee homes after Storm Christoph flooding. Video, 00:01:38People flee homes after Storm Christoph flooding