Category Archives: Ecosystem

Greening of Sahara Desert Triggered Early Human Migrations out of Africa

Posted on December 1, 2009 by Rashid Faridi

A team of scientists from the NIOZ Royal Netherlands Institute for Sea Research and the University of Bremen (Germany) has determined that a major change in the climate of the Sahara and Sahel region of North Africa facilitated early human … Continue reading →

Posted in earth, Ecosystem | 3 Comments

Hurricane History Recorded in Earth’s Noise

Posted on November 1, 2009 by Rashid Faridi

Hurricanes leave their mark with more than just wind damage and flooded lives. According to a research in the North Atlantic Ocean, these powerful storms also make a small but detectable mark on the rhythm of the Earth’s background noise.The … Continue reading →

Posted in earth, Ecosystem | 2 Comments

Biofuel Displacing Food Crops May Have Bigger Carbon Impact Than Thought

Posted on October 25, 2009 by Rashid Faridi

A report examining the impact of a global biofuels program on greenhouse gas emissions during the 21st century has found that carbon loss  from the displacement of food crops and pastures for biofuels crops may be twice as much as … Continue reading →

Posted in Ecosystem, Environment | 4 Comments

Protected Alaska Habitat for Polar Bears

Posted on October 25, 2009 by Rashid Faridi

U.S. Fish and Wildlife Service  proposes that 200,000 square miles (518,000 sq km) of coastline and shallow Arctic Ocean waters be designated as critical habitat for threatened polar bear. The area, which would be the largest ever designated for an … Continue reading →

Posted in BIODIVERSITY, Ecosystem, Environment | Leave a comment