Oceans

'Time is running out' to save sharks and rays

Blue Planet Revisited

Blue Planet II

The Blue Planet

A Perfect Planet. Series 1, Oceans. Video, 58 minutesA Perfect Planet

Pollutants 'may be threatening porpoise fertility'

Discovery. Marine conservationist Heather Koldewey. Audio, 27 minutesDiscovery

RAF plane returns to inspect crumbling giant iceberg. Video, 00:01:15RAF plane returns to inspect crumbling giant iceberg

Giant Antarctic iceberg A68a is not done yet

The evolving shape of mighty iceberg A68a. Video, 00:00:14The evolving shape of mighty iceberg A68a

Giant iceberg A68a shatters into large fragments

Giant iceberg A68a prangs seabed and loses corner

Mission to investigate gigantic iceberg A68a

'Dog kennel' satellite returns first ocean data

RAF cameras capture world's biggest iceberg

'Dog kennel' satellite blasts off on ocean mission

Satellite will track the steady rise of the oceans. Video, 00:00:38Satellite will track the steady rise of the oceans

Huge iceberg on collision path with wildlife haven

How La Niña could impact world weather. Video, 00:02:05How La Niña could impact world weather

'Doomsday Glacier' vulnerability seen in new maps

Scientists map Thwaites Glacier's vulnerabilities. Video, 00:03:05Scientists map Thwaites Glacier's vulnerabilities

Atlantic mission finds huge amounts of microplastic. Video, 00:02:07Atlantic mission finds huge amounts of microplastic