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ScienceDaily: Earth & Climate News |
| Pollution from freight traffic disproportionately impacts communities of color across 52 US cities Posted: 07 Oct 2021 09:22 AM PDT In urban areas across the U.S., low-income neighborhoods and communities of color experience an average of 28% more nitrogen dioxide (NO2) pollution than higher-income and majority-white neighborhoods. The disparity is driven primarily by proximity to trucking routes on major roadways, where diesel trucks are emitters of NO2 and other air pollutants. |
| Nature-based activities can improve mood and reduce anxiety Posted: 07 Oct 2021 09:22 AM PDT Outdoor nature-based activities are effective for improving mental health in adults, including those with pre-existing mental health problems, a new study has found. |
| Clean air matters for a healthy brain Posted: 07 Oct 2021 09:21 AM PDT Researchers say their studies on air pollution and cognitive decline -- one involving humans and one with mice -- provide evidence that cleaner air may reduce risk for Alzheimer's and other dementias. |
| Recycled concrete and CO2 from the air are made into a new building material Posted: 07 Oct 2021 09:20 AM PDT A new kind of concrete could reduce emissions from the construction industry. Calcium carbonate concrete is made from waste concrete and carbon dioxide from the air or industrial exhaust gases. It shows promise as a future construction material, especially in places where natural resources are limited. |
| Birds learn to avoid plants that host dangerous insects Posted: 07 Oct 2021 09:20 AM PDT Scientists have discovered that birds know to avoid the plants where toxic animals dwell. |
| Impact of wild meat consumption on greenhouse gas emissions Posted: 07 Oct 2021 09:20 AM PDT Consuming sustainably sourced wild meat instead of domesticated livestock reduces greenhouse gas emissions and retains precious tropical forest systems, which in turn mitigates the effects of climate change. |
| Zeolites’ isotopes defy nature Posted: 07 Oct 2021 07:10 AM PDT Researchers have analyzed ancient zeolite specimens collected from the edges of East Iceland to discover that zeolites separate calcium isotopes in a wholly unexpected way. |
| Abundance of microscopic paint flakes in the North Atlantic Posted: 07 Oct 2021 07:10 AM PDT Flakes of paint could be one of the most abundant type of microplastic particles in the ocean, new research has suggested. Through a range of surveys conducted across the North Atlantic Ocean, scientists estimated that each cubic meter of seawater contained an average of 0.01 paint flakes. |
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