Dead fish carry mercury into ocean’s deepest trench

"Mercury that we believe had once been in the stratosphere is now in the deepest trench on Earth." Here's why that important.

Jim Erickson-Michigan • futurity
Nov. 24, 2020 ~9 min

pollution fish oceans featured earth-and-environment methylmercury

Sentinel-6: 'Dog kennel' satellite to measure sea-level rise

It may look like a dog house in space, but Sentinel-6 will make the most precise map of ocean height.

bbcnews
Nov. 21, 2020 ~7 min

earth-science climate-change antarctic nasa space-exploration oceans european-space-agency earth-observation

Plastics an 'unfolding disaster' for US marine life

For the first time, advocates have tracked how animals in US waters are harmed by plastic pollution.

bbcnews
Nov. 19, 2020 ~3 min

united-states plastic-pollution endangered-species turtles ocean-pollution

Fishing saps the ocean’s power to capture carbon

By taking fish out of the ocean that would otherwise die and sink to the bottom, fishing has a negative impact on the ocean's carbon sequestration.

Harrison Tasoff-UC Santa Barbara • futurity
Nov. 19, 2020 ~6 min

climate-change carbon fishing oceans earth-and-environment

‘Squid pops’ reveal how predator fish handle warmer water

New research using squid on sticks underwater to lure predator fish shows how climate change has affected food webs in oceans.

Jim Barlow-Oregon • futurity
Nov. 13, 2020 ~6 min

climate-change fish oceans earth-and-environment food-chains

200 years ago, people discovered Antarctica – and promptly began profiting by slaughtering some of its animals to near extinction

For 200 years, a small number of countries have exploited the marine wildlife of Antarctica, often with devastating impact on their populations.

Alessandro Antonello, Senior Research Fellow in History, Flinders University • conversation
Nov. 13, 2020 ~8 min

 climate-change  1960s  china  extinction  fisheries  antarctica  russia  fishing  south-korea  japan  blood  germany  whales  chile  unilever  sea-ice  southern-ocean  norway  environmental-movement  whaling  great-britain  international-whaling-commission  antarctic-krill  margarine  holland  public-attitudes  resource-extraction  antarctic-peninsula

Huge toothy birds once soared over penguins

Fossils from extinct pelagornithids indicate that they'd dwarf the 11.5-foot wingspan of today's largest bird, the wandering albatross.

Robert Sanders-UC Berkeley • futurity
Oct. 29, 2020 ~8 min

birds fossils antarctica oceans science-and-technology

Where’s the sea ice? 3 reasons the Arctic freeze is unseasonably late and why it matters

The pattern of autumn sea ice growth has been completely disrupted, but are we really headed for a tipping point?

Mark Serreze, Research Professor of Geography and Director, National Snow and Ice Data Center, University of Colorado Boulder • conversation
Oct. 28, 2020 ~6 min

climate-change heat-wave arctic oceans sun atlantic-ocean sea-ice polar-ice

Giant 'toothed' birds flew over Antarctica 40 million to 50 million years ago

Paleontologists have discovered fossil remains belonging to an enormous 'toothed' bird that lived for a period of about 60 million years after dinosaurs.

Peter A. Kloess, Doctoral Candidate, Integrative Biology, University of California, Berkeley • conversation
Oct. 27, 2020 ~7 min

 birds  asteroid  dinosaurs  extinction  fish  fossils  reptiles  jaws  specimens  ice-age  antarctica  ice  new-zealand  ducks  earth  snow  museums  penguins  squid  marsupials  skeleton  southern-ocean  continents  cretaceous-period  natural-history  1980s  pterosaurs  vultures  southern-hemisphere  albatross  university-of-california-berkeley

Arctic Ocean: why winter sea ice has stalled, and what it means for the rest of the world

The Laptev Sea is one of the Arctic's biggest nurseries of new sea ice in winter, but Siberia's record summer heat may have halted production.

Jonathan Bamber, Professor of Physical Geography, University of Bristol • conversation
Oct. 26, 2020 ~5 min

climate-change siberia sea-ice arctic-ocean greenland-ice-sheet cryosphere

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