Pollution

'Secret' Env Canada Presentation Warns of Oilsands' Impact on Habitat

"OTTAWA — Contamination of a major western Canadian river basin from oilsands operations is a 'high-profile concern' for downstream communities and wildlife, says a newly-released 'secret' presentation prepared last spring by Environment Canada that highlighted numerous warnings about the industry's growing footprint on land, air, water and the climate."

Source: Postmedia, 12/22/2011

"Researchers Assess Effects of a World Awash in Nitrogen"

"Humans are having an effect on Earth's ecosystems but it's not just the depletion of resources and the warming of the planet we are causing. Now you can add an over-abundance of nitrogen as another "footprint" humans are leaving behind. The only question is how large of an impact will be felt. In a Perspectives piece in the current issue of Science, Arizona State University researcher James Elser outlines some recent findings on the increasing abundance of available nitrogen on Earth."

Source: SPX, 12/21/2011

"Putting Farmland On A Fertilizer Diet"

"The U.S. Department of Agriculture released a document yesterday that got no attention on the nightly news, or almost anywhere, really. Its title, I'm sure you'll agree, is a snooze: National Nutrient Management Standard. Yet this document represents the agency's best attempt to solve one of the country's -- and the world's -- really huge environmental problems: The nitrogen and phosphorus that pollute waterways."

Source: NPR, 12/15/2011

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