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Dead water: Too much nitrogen being washed into the sea is causing dead zones to spread alarmingly

Hundreds of the world's coastal regions have dead zones that occur when spring rainfall makes its way into streams and rivers, carrying a cargo of nitrogen and other nutrients from fertilizers and other sources, and eventually tumbles down to the ocean. Nutrient run-off from land is increasing the number, size, duration and severity of the dead zones.

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Geomorphology: Where glaciers cut deep

Researchers have developed an elegant concept for fjord formation using a relatively simple model. Video included.

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Conservation strategies must shift with global environmental change, ecologists urge

Traditional ecosystems in which communities of plants and animals have co-evolved and are interdependent are increasingly rare, due to human-induced ecosystem changes. Scientists are now suggesting that efforts should focus less on restoring ecosystems to their original state and more on sustaining new, healthy ecosystems that are resilient to further environmental change.

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Scientists outline novel approach to ecosystem management

Traditional ecosystems in which communities of plants and animals have co-evolved and are interdependent are increasingly rare, due to human-induced ecosystem changes. A team of scientists present a new approach to management efforts in a paper posted this week, suggesting that efforts should focus less on restoring ecosystems to their original state and more on sustaining new, healthy ecosystems that are resilient to further environmental change.

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Rapid decline of Arctic island’s ice caps tracked

Ice fields on Baffin Island have shrunk 50 percent in the past 50 years and will be gone in 50 more, scientists said this week.

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Fireproofing homes dramatically reduces the spread of forest fires, scientists report

Why do some forest fires spread rapidly over large areas, destroying and damaging many homes, while others are contained with minimal damage? New research shows a major factor is whether homes are fireproofed.

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