| Thomas E. Downing - Science - 2013 - 653 pages
In the last half decade since sustainable development became a serious objective, what have we achieved? Are livelihoods more secure? Are nations wealthier and more resilient ... | |
| Yael Calhoun - Climatic changes - 2005 - 154 pages
Covers a variety of topics on climate change, including greenhouse gases and the ozone layer, and the effects of climate change on wildlife and water. | |
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