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Environment Nov 25, 2022

Travel emissions drop aided lockdown methane surge

Sharp falls in transport emissions during COVID-19 lockdowns partly explain why a key greenhouse gas hit record high levels in 2020, research suggests.

Earth Sciences Nov 25, 2022

Stripping carbon from the atmosphere might be needed to avoid dangerous warming—but it's a deeply uncertain prospect

Australia's latest State of the Climate Report offers grim reading. As if recent floods weren't bad enough, the report warns of worsening fire seasons, more drought years and, when rain comes, more intense downpours. It begs ...

General Physics Nov 21, 2022

It's time-out for leap seconds

Meeting in Versailles, France, on Friday, the Bureau International des Poids et Mesures (BIPM) has called time-out on "leap seconds"—the little jumps occasionally added to clocks running on Coordinated Universal Time (UTC), ...

Environment Nov 19, 2022

Leak at Pennsylvania gas storage well spewing methane

A vent at an underground natural gas storage well in Western Pennsylvania has been spewing massive amounts of planet-warming methane into the atmosphere for more than 11 days and attempts to plug the leak have thus far failed.

Environment Nov 18, 2022

You could opt to pay extra on your next flight to help the planet. But is it a waste of money?

For people trying to lower their carbon footprint in the world, flying is a conundrum.

Space Exploration Nov 17, 2022

UFOs are no laughing matter for us: Behind the scenes of France's real life 'Ovni' hunters

In France, the Study and Information Group on Unidentified Aerospace Phenomena (GEIPAN), has been investigating unidentified aerial phenomena (UAPs)—more commonly known as UFOs—for the past 45 years. Attached to the National ...

Environment Nov 14, 2022

Study shows full decarbonization of US aviation sector is within grasp

Everyday, 45,000 planes fly across the United States, carrying some 1.7 million passengers. Aviation dominates a frequent traveler's individual contribution to climate change, and yet is one of the most challenging sectors ...

Earth Sciences Nov 13, 2022

Global carbon emissions at record levels with no signs of shrinking, new data shows

Global carbon dioxide emissions from all human activities remain at record highs in 2022, and fossil fuel emissions have risen above pre-pandemic levels, according to a new analysis by an international body of scientists.

Condensed Matter Nov 11, 2022

Physicist probes causes of life-shortening 'dwell fatigue' in titanium

"Dwell fatigue" is a phenomenon that can occur in titanium alloys when held under stress, such as a jet engine's fan disc during takeoff. This peculiar failure mode can initiate microscopic cracks that drastically reduce ...

Environment Nov 11, 2022

CO2 pollution from fossil fuels to hit all-time high in 2022

Carbon dioxide emissions from fossil fuels, the main driver of climate change, are on track to rise one percent in 2022 to reach an all-time high, scientists said Friday at the COP27 climate summit in Egypt.

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