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Blocked culvert main cause of flood, report finds

Dispute over ‘woody debris’ flood report findings. Video, 00:02:11Dispute over ‘woody debris’ flood report findings

Forest drive reopens after six-year tree-felling

New builds 'at standstill' due to pollution target

Reservoir watersports centre plan given go-ahead

Climate change blamed for 'rosé wine' reservoirs

Ancient fishing tradition 'destroyed by rules'

'Almost half of protected sites not monitored'

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