Info: The number of humans on Earth has now passed seven billion. And world energy usage is estimated to inflate more than 25% during the next 15 years, and probably will nearly double by the year 2050. But how much energy we need to exploit, and how we extract it, relies upon the decisions we make now. And those energy decisions have effects on Earth's climate. We already see the possibilities of the 21st century renewable energy. But, today, most of the big and powerful nations still heavily depend on 19th century technologies.
Some creative strategies demonstrate that wind can supply entire communities with power. And control, conservation and effectiveness can cut projected world energy requirements ...
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