Designing cities for 21st-century weather

Weather extremes, such as heat waves and torrential rainfalls, are becoming more frequent and more intense across the United States under climate change.

Toxic 'forever chemicals' found in Michigan farm's beef

Beef produced at a small Michigan farm was found to contain toxic "forever chemicals" after the cattle were fed crops grown with fertilizer made from contaminated wastewater biosolids, state officials said Friday.

Security flaws could taint 2012 US election: report

Security flaws in voting technology in a number of US states could taint the outcome of the 2012 election, a study concluded Wednesday, saying it was "highly likely" some systems will fail.

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