May 1, 2013, 5am PDT
The concentration of carbon dioxide in the Earth's atmosphere is fast approaching levels not seen for millions of years. At 400 parts per million (p.p.m.), the planet is fast approaching the point of no return for avoiding dangerous climate change.
November 26, 2012, 6am PST
Courtney Humphries takes a look at recent federal investment in research on the complex interrelationship between human settlements and the natural environment.
October 12, 2012, 9am PDT
Scientists are studying whether the stresses of living in urban environments increases the risks of developing mental health disorders. Global urbanization is making the question an urgent one, writes Alison Abbott.
June 17, 2011, 6am PDT
Evolutionary biologist David Sloan Wilson is trying to understand how natural selection works at various levels. His new lab: the city of Binghamton, New York.
November 2, 2010, 12pm PDT
A major mountaintop mining permit is likely to be rejected after an environmental review found "unacceptable" impacts on water quality and wildlife. This would be the first major rebuke to the mining practice, and could foreshadow its end.
October 23, 2010, 1pm PDT
A new study looks at the best cities in the world for science, using publication rates in as the basis. The researchers
October 21, 2010, 9am PDT
The latest issue of <em>Nature</em> looks at the implications of an increasingly urban world on the field of science, and the field's impact on cities.
February 20, 2006, 11am PST
Nature explains the technology behind Google Earth and how the sphere of the planet's surface is converted to a polygon made up of flat tiles.
October 10, 2005, 12pm PDT
Cities account for 75% of the world's enegry use. A few successful strategies to reduce emissions could cause massive changes in the environment.
September 20, 2005, 1pm PDT
An Italian enthusiast examning maps of the region around his home using two new Google mapping products discovers the remains of an ancient Roman Villa.
August 11, 2005, 9am PDT
Nineteen years after the radioactive explosion in Chernobyl, the ecosystem has returned, and with greater biodiversity than before.
June 22, 2005, 9am PDT
Desertification will be impact hundreds of thousands worldwide.
April 22, 2005, 7am PDT
Fighting America's obesity epidemic will required a myriad of lifestyle changes. Nature Medicine investigates communities that are rising to this challenge.
February 3, 2005, 5am PST
Ecologists identify nine new biodiversity 'hot spots' that are home to half the world's plant species.
January 26, 2005, 6am PST
Architects, planners, and environmentalists assista a community to recover from the devastating impact of the Asian tsunami.
December 19, 2004, 1pm PST
Could a new generation of traffic lights respond to conditions to ease congestion?
August 19, 2004, 7am PDT
A new study examines why it is so hard for so many of us to find our way around cities.
April 12, 2004, 10am PDT
A new study analyzes people's reactions produced by the surprisingly loud Maglev trains which make many feel 'insecure' and 'startling'.
January 10, 2004, 1pm PST
Many plant and animal species are unlikely to survive climate change, according to new research published in Nature.
June 4, 2003, 8am PDT
Lights synchronized to ease jams might be making matters worse. Rush-hour traffic might flow better if lights were set at random.