Governments and international organizations have touted the circular economy, in which materials and products stay in circulation for as long as possible, as an antidote to our global plastic problem. (The equivalent of 2,000 ...
Environment
Mar 26, 2024
0
14
A group of coastal Alaska Native tribes in 2016 began monitoring shellfish, a traditional harvest, for deadly biotoxins because the state only tests commercial harvests. The program fills an essential gap in public health ...
Environment
Mar 21, 2024
0
27
Permafrost, or ground that is frozen for two or more years, stretches over about 14 million square kilometers in the Northern Hemisphere, 15% of the hemisphere's land area. Cold temperatures limit the decomposition of organic ...
Earth Sciences
Mar 4, 2024
0
1
The coastal ocean helps regulate climate change by acting like a giant sponge for atmospheric carbon dioxide. However, the coastal ocean is also a hot spot that releases nitrous oxide and methane, two other potent greenhouse ...
Earth Sciences
Mar 4, 2024
0
41
Global atmospheric methane concentrations have risen steadily since 2006. Growth in agriculture, transportation, and industry are partly to blame, but so too is the rise in biogenic emissions, or emissions from natural sources.
Environment
Mar 1, 2024
0
23
Climate change is heating the oceans, altering currents and circulation patterns responsible for regulating climate on a global scale. If temperatures dropped, some of that damage could theoretically be undone.
Earth Sciences
Feb 29, 2024
2
70
At subduction zones, slabs of lithosphere sink into Earth's mantle. Understanding how these slabs fit into mantle convection cells is important because of the role these movements play in plate tectonics. It's also difficult, ...
Earth Sciences
Feb 26, 2024
0
3
The population of bowhead whales that migrates between the Bering and Beaufort Seas each year is a conservation success story, with today's population nearing—if not exceeding—pre-commercial whaling numbers. But climate ...
Plants & Animals
Feb 21, 2024
0
61
Widespread 20th-century reforestation in the eastern United States helped counter rising temperatures due to climate change, according to new research. The authors highlight the potential of forests as regional climate adaptation ...
Earth Sciences
Feb 13, 2024
10
513
Ribbons of water vapor called atmospheric rivers wind through the troposphere, moving the planet's moisture from near the equator toward the poles. These aerial waterways are responsible for about 20%–30% of the annual ...
Earth Sciences
Feb 13, 2024
0
60
