Over the past 540 million years, life on Earth has passed through five great mass extinctions. In each of those catastrophes, an estimated 75 percent or more of all species disappeared in a few million years or less.
Issues & Trends
CHINA DEVOURING THE UNITED STATES IN CLEAN ENERGY FINANCING It is no secret China is currently beating the United States in the race to be the global leader of the new energy economy. However, with each passing month the gap between the two nations appears to be growing. |
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The World of Geographically Referenced Information is Facing a Paradigm Shift
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Drought In Amazon Could Lead To Accelerated Global Warming
A new study reveals a drought last year in the Amazon basin caused the forest to lose significant levels of vegetation, which in turn could accelerate the pace of global warming. |
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Food Prices Continue to Rise, Worsening the Food Crisis The U.N.’s Food and Agriculture Organization reported in early March that food prices reached another record high, as the price of basic food staples continued to soar. The Index indicated that wheat and coffee prices have doubled in the past 12 months, while cocoa jumped 25 percent in just two months. Dairy prices were also up sharply. The F |
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Desalination Without the Ocean -- Tapered flow techniques can dramatically cut the cost of turning brackish water into something drinkable.
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Multitude of Species Face Climate Threat |
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A Plan to Power 100 Percent of the Planet with Renewables
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India's population hits 1.21 billion
India's new national census puts the population at about 1.21 billion people, or 17 per cent of the world population, the census commissioner says. |
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Gap widening between poorest countries and others UNITED NATIONS, March 29 (Reuters) - The wealth gap between the least developed and other countries has widened in recent decades and will go on doing so unless their basic weaknesses are tackled, a report for the United Nations said on Tuesday. |
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Arab spring: an interactive timeline of Middle East protests Ever since a man in Tunisia burned himself to death in December 2010 in protest at his treatment by police, pro-democracy rebellions have erupted across the Middle East. Our interactive timeline traces key events |