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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.
The state of Washington has a new rule that requires those that transport recyclable materials to register with the Department of Ecology.
With mounting pressure from clients, regulators, and supply chains, construction firms are turning to sustainable materials not just for compliance—but for competitive edge.
