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Texas-based researchers have studied sediments from the Mississippi, Yellow, and Yangtze River deltas and say they contain information on changes in nitrogen application in the drainage basins as well as flooding and hurricane events.
The solid waste associations submitted joint comments to EPA on proposed revisions to estimating landfill emissions.
Eco-friendly products are everywhere—but are they truly sustainable or just clever marketing? This article uncovers what really makes a product green.
