80 percent of world's city dwellers breathing bad air: UN

Over 80 percent of the world's city dwellers breathe poor quality air, increasing their risk of lung cancer and other life-threatening diseases, a new World Health Organization (WHO) report warned Thursday.

Air pollution may have masked mid-20th Century sea ice loss

Humans may have been altering Arctic sea ice longer than previously thought, according to researchers studying the effects of air pollution on sea ice growth in the mid-20th Century. The new results challenge the perception ...

EPA adviser is promoting harmful ideas, scientists say

The Trump administration's reliance on industry-funded environmental specialists is again coming under fire, this time by researchers who say that Louis Anthony "Tony" Cox Jr., who leads a key Environmental Protection Agency ...

Creating waterproof concrete

Water is concrete's ultimate enemy. Although concrete withstands constant beatings from cars and trucks, water can break it down, pooling on its surface and infiltrating the tiniest cracks. Add freezing and thawing cycles, ...

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