Ancient signs of lead pollution point to Roman takeover of Greece
The expansion of the Roman empire to Greece 2,100 years ago coincided with a rise in lead pollution as a by-product of an increased demand for metals, according to some of the earliest traces of of ...
Groundwater in the Arctic is delivering more carbon into the ocean than was previously known
A relatively small amount of groundwater trickling through Alaska's tundra is releasing huge quantities of carbon into the ...
This is how much climate change has impacted polar bear populations
Scientists have quantified how much climate change has driven the population decline of polar bears living in Canada's Hudson ...
Atmosphere's self-cleansing ability followed by long-term study
The Earth's atmosphere has strengthened its ability to remove air pollutants, including the potent climate-warming gas ...
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Will Boom Overture become the first supersonic passenger jet since Concorde?
The aircraft catching the most interest is the Overture, a commercial style plane designed to carry up to 80 passengers with ...