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Feb 20, 2015 05:59 PM ET // Patrick J. Kiger
Pollution and the urban heat island effect may cause slightly more thunder and lightning than rural areas get. Continue reading →
Jun 9, 2014 06:17 PM ET // Patrick J. Kiger
So much heat is emitted by air conditioning units in Phoenix it actually raises the city's outdoor temperature at night. Continue reading →
Jun 7, 2014 12:10 PM ET // Patrick J. Kiger
The Chines government is removing the tops of 700 mountains to create 155 square miles of free space to build cities. Continue reading →
Oct 1, 2013 09:40 AM ET // Tim Wall
Expanding cities can swallow biodiversity hotspots and other important protected natural areas.
Aug 16, 2013 06:00 AM ET // Paul Greenberg
Experts say human influence has much to do with sinkholes.
Dec 14, 2010 01:48 PM ET // John D. Cox
During a 2003 heat wave, 4,867 people in Paris and nighttime temperatures were mostly to blame.