March 20, 2010 / Earth
Nitrogen is an essential component of all living things, yet only a small amount of the planet's stock of nitrogen is in a form that living things can absorb. This is "fixed" out of the air by bacteri
March 19, 2010 / Earth, disasters
Individual species may not matter much on their own, but collectively they form ecosystems that provide a range of vital "ecosystem services", such as recycling waste, cleaning water, absorbing carbon
March 17, 2010 / Earth
Humans now control most of the world's rivers, damming and diverting many of them to death. Thanks to us, a quarter of the world's river systems no longer reach the ocean for at least part of the year
March 15, 2010 / Earth, global warming
The ozone hole that formed in the stratosphere over Antarctica in the 1970s was a classic example of an environmental tipping point. Ozone-destroying chemicals built up in the frigid stratosphere unti
March 10, 2010 / Earth, global warming
This is a relatively new issue, rarely discussed until 10 years ago. More carbon dioxide in the atmosphere means more is absorbed by the oceans, creating carbonic acid. Since the industrial revolution
March 9, 2010 / Earth, global warming
Ever since the Intergovernmental Panel on Climate Change's (or one word IPCC) 2007 report on the impacts of climate change was discovered to contain a major error that the Himalayan glaciers wil
Record high prices at American gas pumps and continued trouble-brewing in the Middle East, Nigeria, and other areas of importance to the oil-driven economy have made it clear to Americans that we are
March 5, 2010 / Earth, disasters
Earthquakes occur when two tectonic plates move suddenly one against each other. The rocks breaks underground at hypocenter and the earth shakes. Those waves spread to epicenter, point on the Earth su
We should be doing everything possible to develop geothermal energy technologies. This is a largely untapped area of tremendous alternative energy potential, as it simply taps the energy being natural
February 14, 2010 / Earth, disasters
An island in the middle of the Indonesian archipelago, year 1815. - one of the biggest volcanic eruption in human history. Volcano named Tambora erupted that day. Eruption was 10 times bigger than
February 12, 2010 / Earth
Give tropical forests back to the people who live in them – and the trees will soak up your carbon for you. Above all, keep the forests out of the hands of government. So concludes a study that has
February 12, 2010 / Earth
The Allegheny National Forest sits in the rugged plateau country of northwestern Pennsylvania. Many creeks and streams cut deeply into the plateau, creating a rolling and sometimes steep topography wi
