News
- Agriculture
Sprawling over croplands
Satellite imagery indicates that sprawling urban development has been disproportionately gobbling up those lands best able to support crops.
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Glacial warming’s pollutant threat
Some Arctic wildlife are being exposed to high amounts of toxic wastes as glacial melting releases pollutants that had been buried in ice for decades.
- Archaeology
Could the Anasazi have stayed?
New computer simulations of the changing environmental conditions around one of the Anasazi cultural centers in the first part of the last millennium suggest that drought wasn't the only factor behind a sudden collapse of the civilization.
- Earth
Chinese records show typhoon cycles
Historical records compiled by local governments along China's southeastern coast during the past 1,000 years suggest that there's a 50-year cycle in the annual number of typhoons that strike the area.
