During the first year of the COVID-19 pandemic, global road travel and commercial flight activity decreased by 50% and 60%, respectively, compared to pre-pandemic levels. During the lockdowns that cities imposed in the initial ...
Environment
Sep 29, 2022
0
111
Imagine a future where, despite efforts to reduce greenhouse gas emissions quickly, parts of the world have become unbearably hot. Some governments might decide to "geoengineer" the planet by spraying substances into the ...
Environment
Sep 28, 2022
0
342
Sea ice and wildfires may be more interconnected than previously thought, according to new research out today in Science Advances.
Earth Sciences
Jul 27, 2022
0
226
In June 1991, Mount Pinatubo in the Philippines erupted for nine hours, ejecting volcanic ash, water vapor, and at least 15 to 20 million tons of noxious sulfur dioxide gas into the stratosphere. Within two hours, the gas ...
Environment
Jul 25, 2022
2
15
If mechanoluminescent materials are subjected to external mechanical stress, they emit visible or invisible light. Such excitation can occur due to bending or gentle pressure, for example, but also completely contact-free ...
Condensed Matter
Jun 17, 2022
0
78
Cleaner air in United States and Europe is brewing more Atlantic hurricanes, a new U.S. government study found.
Earth Sciences
May 11, 2022
25
365
Plastic pollution is a global problem, contaminating terrestrial, freshwater and marine ecosystems. Microplastics—plastic particles smaller than five millimetres in size—infiltrate and circulate in the global planetary ...
Environment
Mar 30, 2022
1
44
Twenty years of measurements are only the beginning. Long-term measurements over several decades are crucial to enable predictions of how airborne particles affect the future climate, according to Lund University researcher ...
Environment
Sep 20, 2021
0
44
Devastating Australian wildfires released twice as much climate-warming C02 than previously thought—but also triggered vast algae blooms thousands of miles away that may have soaked up significant extra carbon, according ...
Environment
Sep 15, 2021
3
20
Some of America's favorite Independence Day fireworks emit lead, copper, and other toxins, a new study suggests. These metals, which are used to give fireworks their vibrant color, also damage human cells and animal lungs.
Environment
Jul 2, 2020
4
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