The U.N. health agency says nearly everybody in the world breathes air that doesn't meet its standards for air quality, calling for more action to reduce fossil-fuel use, which generates pollutants that cause respiratory ...
Environment
Apr 4, 2022
4
214
Europe's southernmost glaciers will likely be reduced to ice patches in the next two decades due to climate change, as the shrinking of ice mass on the Pyrenees mountain range continues at the steady but rapid speed seen ...
Earth Sciences
Sep 3, 2021
7
272
Natural substances are biologically active components produced by organisms. So far, they have been of interest to researchers primarily as the basis for medicines, because some natural substances have been shown to inhibit ...
Evolution
Jul 20, 2021
0
180
Swifts aren't called "swifts" for nothing. They're known for being among the fastest migrating small birds around. When they aren't breeding, common swifts stay in the air most of the time—up to 10 months of the year. Scientists ...
Plants & Animals
May 20, 2021
0
14
Without efforts to mitigate climate change, summers spanning nearly six months may become the new normal by 2100 in the Northern Hemisphere, according to a new study. The change would likely have far-reaching impacts on agriculture, ...
Earth Sciences
Mar 8, 2021
28
2007
A new study from the Institut de Ciències del Mar (ICM-CSIC, Spain) and the National Oceanography Centre brings unprecedented insights into the environmental constraints and climatic events that controlled the formation ...
Plants & Animals
Jan 21, 2021
0
309
California and other areas of the U.S. Southwest may see less future winter precipitation than previously projected by climate models. After probing a persistent error in widely used models, researchers at the Department ...
Environment
Dec 15, 2020
3
301
Although global climate models vary in many ways, they agree on this: The Mediterranean region will be significantly drier in coming decades, potentially seeing 40 percent less precipitation during the winter rainy season.
Earth Sciences
Jun 17, 2020
3
373
By analysing sediment cores from the bed of Europe's oldest lake, an international team of scientists has created a detailed climate history of the north-central Mediterranean stretching back 1.36 million years—and revealed ...
Earth Sciences
Sep 3, 2019
5
1161
Species often experience a genetic bottleneck that diminishes genetic variation after speciation or introduction into a new area. Though bottlenecks in population size always reduce fitness and evolutionary potential, introduced ...
Plants & Animals
Mar 19, 2019
0
75
