Watery graves: Should we be ditching big spacecraft over Earth’s oceans?

With increasing regularity, Earth’s oceans are the drop zones for incoming leftovers from space.  For decades, Russian Progress resupply spacecraft loaded with tons of waste from the International Space Station (ISS) have been intentionally steered to reentries over the Pacific Ocean’s “spacecraft cemetery.” Similarly, Northop Grumman’s Cygnus cargo vehicles are filled with rubbish from the … Read more

‘Weird’, Long Lost Rocks Could Explain How a Hellish Earth Became Habitable

Early Earth is often described as ‘Hadean’ for good reason. Arising from the ashes of a collision that gave us our Moon, the primordial eon was characterized by hellish heat trapped beneath a thick blanket of carbon dioxide and water vapor.    Strangely those conditions should have been inhospitable for far longer than they were. … Read more

Plastic pollution: Ambitious global treaty agreed in Nairobi

A legally binding agreement between 175 countries encompasses all stages of plastic’s life cycle, from production to consumption and disposal Environment 1 March 2022 , updated 2 March 2022 By Adam Vaughan Plastic garbage collected on Eastern Island in Midway Atoll National Wildlife Refuge All Canada Photos / Alamy One hundred and seventy-five countries have … Read more

Plastic pollution: Global treaty drafted to end plastic pollution

A top UN official says a draft treaty to address plastic pollution will be the “biggest multilateral environmental deal” since the 2015 Paris climate agreement Environment 1 March 2022 By Adam Vaughan Plastic garbage collected on Eastern Island in Midway Atoll National Wildlife Refuge All Canada Photos / Alamy Nearly 200 governments have provisionally agreed … Read more

Are we on the verge of a global initiative to clean up ocean plastics?

A global summit on clearing up the oceans has produced big promises – is it just blah, blah, blah, or can we make the future of plastic fantastic, asks Graham Lawton Environment | Columnist 23 February 2022 By Graham Lawton Elena Valeeva/Shutterstock IN JUNE 2021, the government of the Seychelles decided it was time to … Read more

Oceans: Scientists want to restore the seas with artificial whale poo

Experiments will soon explore ways to emulate the fertilising effect of whale waste, which fuels blooms of algae that feed fish and lock away carbon Life 22 February 2022 By Adam Vaughan A sperm whale Reinhard Dirscherl / Alamy AN INTERNATIONAL project to see whether humans can artificially emulate the benefits of whale faeces for ocean ecosystems will … Read more

Extreme Heat Becomes New Normal for Oceans

Oceans are heating up at breakneck speed, and the warming waters are threatening marine animals all over the world. That’s the alarming takeaway from a pair of new studies on marine warming published this week in the journal PLOS Climate. The first study looks back in time to find out how the oceans have changed since the Industrial … Read more

Ocean warming: Extreme marine heatwaves are the new normal

Since 2014, more than half of the ocean surface across the globe has recorded temperatures considered extreme compared with a historical average Environment 1 February 2022 By Adam Vaughan Map of the northern Pacific Ocean for May 2015, with red, pink and yellow colours indicating sea surface temperatures up to 3°C higher than average NASA … Read more

Tonga shock wave created tsunamis in two different oceans | Science

When Hunga Tonga-Hunga Ha‘apai, a mostly submerged volcanic cauldron in the South Pacific Ocean, exploded on 15 January, it unleashed a blast perhaps as powerful as the world’s biggest nuclear bomb, and drove tsunami waves that crashed into Pacific shorelines. But 3 hours or so before their arrival in Japan, researchers detected the waves of … Read more

News at a glance: Warmest oceans yet, a pig-to-human heart transplant, and the world’s largest breeding colony of fish | Science

ECOLOGY Huge icefish colony found Scientists aboard an Antarctic research cruise have discovered the most extensive breeding colony of fish anywhere. In February 2021, while towing video cameras and other instruments close to the sea floor in the Weddell Sea, the RV Polarstern came upon thousands of 75-centimeter-wide nests, each occupied by a single adult … Read more