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The Infinite Monkey Cage. Series 21, Coral Reefs. Audio, 46 minutesThe Infinite Monkey Cage

Turtle found injured off south coast dies

Palau is first country to ban 'toxic' sun cream

The big science and environment stories of 2019

Anak Krakatau: Giant blocks generated huge tsunami. Audio, 00:08:35Anak Krakatau: Giant blocks generated huge tsunami

Deepest point on land found in Antarctica

Scientists return to survey A-bomb test site. Audio, 00:06:43Scientists return to survey A-bomb test site

Half a million crabs killed by plastic, study says

'Toxic chemical cocktail' passed to baby porpoises

Study underpins key idea in Antarctic ice loss

Tories and Lib Dems in rival tree-planting pledges

Sentinel for sea-level rise enters testing

Where plastic outnumbers fish by seven to one

Does climate change mean marine life is moving? Video, 00:03:10Does climate change mean marine life is moving?

Satellites used to re-investigate whale stranding. Audio, 00:09:34Satellites used to re-investigate whale stranding

Ice-locked ship to drift over North Pole

Attenborough's plea to save 'magical' kelp forests. Video, 00:02:29Attenborough's plea to save 'magical' kelp forests

Ceremony marks polar ship construction

'Boaty' ship named after Attenborough

Work begins on £200m polar ship. Video, 00:01:00Work begins on £200m polar ship

UN panel signals red alert on 'Blue Planet'

Global warming causing ocean 'emergency'