It will take $US 1 trillion over the next 25 years to fix the water infrastructure in the United States, according to an estimate by the American Water Works Association, Bloomberg News reported. Energy PetroChina purchased a 20 percent stake in a Canadian shale gas project, strengthening China’s presence in North America’s energy markets, according [...]
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Posted on Thursday, January 19, 2012
Geologic time scales are long – too long for the human mind to really comprehend. Over millions, and tens of millions, and hundreds of millions of years, the Earth has changed from something unrecognizable to the planet we see on maps, plastic globes, and photos from space.