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The preservation of biodiversity is a high priority among biologists, ecologists and environmentalists.The impact that human activities have on biodiversity is clear; however, few studies have focused on the importance of biodiversity to natural and agricultural...
The petroleum age began about 150 years ago. Easily available energy has s- ported major advances in agriculture, industry, transportation, and indeed many diverse activities valued by humans. Now world petroleum and natural gas s- plies have peaked and their supplies...
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