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Suicide rates are likely to rise as the earth warms, according to new research published July 23 in Nature Climate Change. The study, led by Stanford economist Marshall Burke, finds that projected temperature increases through 2050 could lead to an additional 21,000 suicides in the United States and Mexico.

Tropical Depression 13W formed on July 22 and the next day, NASA's Aqua satellite captured an image of the storm hugging the coast of southeastern China.

States that require utilities to increase renewable energy see an expansion of renewable energy facilities and generation -- including wind and other renewable sources, but especially solar -- according to new research from Indiana University and two other institutions.

Greening vacant urban land significantly reduces feelings of depression and improves overall mental health for the surrounding residents, researchers from the Perelman School of Medicine and the School of Arts & Sciences at the University of Pennsylvania and other institutions show in a new randomized, controlled study published in JAMA Network Open. The findings have implications for cities across the United States, where 15 percent of land is deemed “vacant” and often blighted or filled with trash and overgrown vegetation.

Colorful, hardened algae that dot the ocean floor from Alaska to Mexico often set the tone for which plant and invertebrate species inhabit a given ecological community.