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Watchdog's flooding response 'fell short'

Minister's nuclear station mud dumping assurances

Cockle beds reopen after train crash oil spill

Firm 'playing with nature' lowering water level

Covid jobs: how can Wales have a 'green recovery'?

Brakes jammed before train derailment

Dwindling wildlife target of £6.8m river project

Anglers blame chicken poo for river pollution

'Vital' role of coastal 'wastelands' for climate

'Unprecedented' fish poaching operation uncovered

Rail crash could halt journeys for months

Long-term pollution fears after train derailment

'Over half' of city at risk of flooding

'Devastation' at site of train derailment

Oil spreads for miles after train derailment

Illegal bikers using rural Wales as 'playground'

'No criminal intent' in freight train derailment

Up to 750 tonnes of oil in derailed train wagons

Investigations begin into railway diesel spill. Video, 00:01:27Investigations begin into railway diesel spill

Ex-mining village looks to forest for its future

'Save the angel shark' plan launched

River water tested after pollution kills fish

Hundreds of fish killed in pollution spill