News tagged with earth sciences

Eminent scientist warns of global contamination risks

(Phys.org)—Eighty-three thousand man-made chemicals now circulate freely around the Earth, in water, soil, air, wildlife, food and manufactured goods and people, posing unquantified but genuine hazards to human and environmental ...

Feb 26, 2013
3.8 / 5 (4) 1

Caves point to thawing of Siberia

Evidence from Siberian caves suggests that a global temperature rise of 1.5 degrees Celsius could see permanently frozen ground thaw over a large area of Siberia, threatening release of carbon from soils, ...

Feb 21, 2013
3.6 / 5 (10) 8 | with audio podcast

Water on the moon: It's been there all along

Traces of water have been detected within the crystalline structure of mineral samples from the lunar highland upper crust obtained during the Apollo missions, according to a University of Michigan researcher ...

Feb 18, 2013
4.9 / 5 (8) 8 | with audio podcast