Reference Terms
from Wikipedia, the free encyclopedia
Ozone layer
The ozone layer is the part of the Earth's atmosphere which contains relatively high concentrations of ozone (O3). "Relatively high" means a few parts per million - much higher than the concentrations in the lower atmosphere but still small compared to the main components of the atmosphere.
Note: The above text is excerpted from the Wikipedia article "Ozone layer", which has been released under the GNU Free Documentation License.
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Earth & Climate News
April 12, 2025
Apr. 9, 2025 — Evidence shows that hunter-gatherers were crossing at least 100 kilometers (km) of open water to reach the Mediterranean island of Malta 8,500 years ago, a thousand years before the arrival of the ...
Apr. 2, 2025 — Using a mathematical model, researchers have shed new light on the transition from hunter-gatherer to farming societies. Rather than focusing exclusively on external factors, they looked at internal demographics and the significant impact of human ...
Mar. 24, 2025 — Researchers have discovered that chimpanzees living in Gombe Stream National Park in Tanzania employ a degree of engineering when making their tools, deliberately choosing plants that provide ...
Mar. 20, 2025 — A new study has discovered that birds in the Galapagos Islands are changing their behavior due to traffic noise, with those frequently exposed to vehicles showing heightened levels of aggression. During trials involving traffic noise, Galapagos ...
Latest Headlines
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Apr. 9, 2025 — New research suggests conservation efforts could more effectively identify and protect bird species at greatest risk from climate change by better understanding the range of specific conditions they ...
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Apr. 9, 2025 — A study has shown that Europe has adapted better to low temperatures than to high temperatures over the last two decades. The relative risk of mortality at the coldest temperatures has decreased by ...
Apr. 9, 2025 — New technology could enable more sustainable and cheaper production of bio-oils to replace petroleum-based products in electronic, construction and automotive applications. The technology, known as ...
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Apr. 9, 2025 — Engineers have hit the trifecta of sustainability technology: A group has developed a low-cost method to produce carbon-free 'green' hydrogen via solar-powered electrolysis of seawater. A happy ...
Apr. 9, 2025 — Wild fig tree rings offer a cheap method for tracking toxic atmospheric mercury, a byproduct of gold mining in the Global South, according to a new ...
Apr. 9, 2025 — In 1962, when environmentalist and author Rachel Carson penned 'Silent Spring,' alerting the world to the dangers of the pesticide DDT, it was the reproductive threat to birds -- the bald eagle in ...
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