Reference Terms
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Ozone
Ozone (O3) is an allotrope of oxygen, the molecule consisting of three oxygen atoms instead of the more stable diatomic O2.
Note: The above text is excerpted from the Wikipedia article "Ozone", which has been released under the GNU Free Documentation License.
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Earth & Climate News
March 21, 2025
Mar. 13, 2025 — At least two mass extinction events in Earth's history were likely caused by the 'devastating' effects of nearby supernova explosions, a new study suggests. Researchers say these super-powerful blasts -- caused by the death of a massive star -- may ...
Mar. 13, 2025 — The 2025 U. S. State of the Birds Report, produced by a coalition of leading science and conservation organizations, reveals continued widespread declines in American bird populations across all mainland and marine habitats, with 229 species ...
Mar. 11, 2025 — Researchers were shocked to see that bacteria's antimicrobial resistance is strengthened when exposed to plastic particles and point to a potential outsized impact on ...
Mar. 10, 2025 — Scientists have discovered that whales move nutrients thousands of miles -- in their urine -- from as far as Alaska to Hawaii. These tons of nitrogen support the health of tropical ecosystems and fish, where nitrogen can be limited. They call this ...
Latest Headlines
updated 12:56 pm ET
Mar. 21, 2025 — Despite decades of warnings about overfishing, Southeast Asia's capture fisheries have proven remarkably ...
Mar. 21, 2025 — Detecting microplastics and identifying plant stress at an early stage -- this and much more can now be done thanks to a new method based on near-infrared light measurements. It is inexpensive and ...
Mar. 5, 2025 — Satellite images from space are allowing scientists to delve deeper into the individual functions of different tropical forest canopies with new and ...
Mar. 18, 2025 — Nature-based solutions like restoring mangroves, and hybrid solutions, protect vulnerable shorelines. However, they need careful planning to be effective. A new GIS-based tool, combined with varied ...
Mar. 20, 2025 — Southern elephant seals are the 'canary in the coal mine' for the Southern Ocean, offering insight into how the ecosystem may react to future climate change and human impact, new research ...
Mar. 20, 2025 — Nearly 3 out of every 4 older Americans have experienced at least one extreme weather event in the last two years, a poll finds. And living through such an event appears to make a big difference in ...
Mar. 20, 2025 — Identifying viruses associated with red tide can help researchers forecast the development of blooms and better understand environmental factors that can cause blooms to terminate. The study marks an ...
Mar. 20, 2025 — Engineers have developed an approach for recycling cement waste into a sustainable, low-carbon alternative that is comparable in performance to the industry ...
Mar. 20, 2025 — According to a predictive model, the microalgae present in peat bogs could offset up to 14% of future CO2 emissions, thanks to their photosynthetic activity. This conclusion was reached by basing the ...
Mar. 20, 2025 — A new study documents Putah Creek-origin salmon, meaning some salmon returning to the restored creek in the fall to spawn were actually born there. The study carries broader implications for other ...