Top Stories

Study Finds Alaska, Rest of Earth, to Lose Most of Glacier Mass

An international study has found that Earth’s glaciers will lose 76% of their 2020 mass under current climate policy pledges made by nations.

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Atlantic Ocean Current Expected to Undergo Limited Weakening with Climate Change

The Atlantic meridional overturning circulation, commonly referred to as the "AMOC," is a system of ocean currents confined to the Atlantic basin that plays a crucial role in regulating Earth's climate by transporting heat from the Southern to the Northern Hemisphere.

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Does Outdoor Air Pollution Affect Indoor Air Quality? It Could Depend on Buildings’ HVAC

We typically spend 80% of our time indoors, where the quality of the air we breathe depends on the age and type of building we occupy, as well as indoor pollution and outdoor pollution sources.

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The Plastic Legacy at the Bottom of the Planet

At the bottom of the world, where few humans have ever set foot, an unwelcome visitor has arrived.

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New Study Analyzes Air Quality Impacts of Wildfire Smoke

The comprehensive research examined air quality in Reno, Nevada during 106 wildfires to illuminate the atmospheric and public health impacts of smoke.

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Coastal Alaska Wolves Exposed to High Mercury Concentrations From Eating Sea Otters: Research

UCalgary ecotoxicology expert Ben Barst contributes to study of marine food’s impact on predators.

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Mid-Air Transformation Helps Flying, Rolling Robot to Transition Smoothly

Specialized robots that can both fly and drive typically touch down on land before attempting to transform and drive away.

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To Cope With Extreme Heat, Clownfish Shrink

During a severe heat wave in 2023, scientists scuba diving off the coast of Papua New Guinea captured clownfish to measure their bodies. 

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Huge Sea-Urchin Populations are Overwhelming Hawaii’s Coral Reefs

As coral reefs struggle to adapt to warming waters, high levels of pollution and sea-level rise, ballooning sea-urchin populations are threatening to push some reefs in Hawaii past the point of recovery.

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Perfumes and Lotions Disrupt How Body Protects Itself From Indoor Air Pollutants

Fragrances and lotions don't just change the way people smell, they actively alter the indoor air chemistry around the wearer, disrupting a critical natural process the body uses to protect itself from pollution, according to an international research team that includes scientists from Penn State.

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