News tagged with satellite images

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Early warning signs of population collapse

Many factors—including climate change, overfishing or loss of food supply—can push a wild animal population to the brink of collapse. Ecologists have long sought ways to measure the risk of such a collapse, ...

Apr 10, 2013 3.8 / 5 (6) 0 | with audio podcast

Earth's northern biomass mapped and measured

The biomass of the northern hemisphere's forests has been mapped with greater precision than ever before thanks to satellites, improving our understanding of the carbon cycle and our prediction of Earth's ...

Jun 27, 2013 5 / 5 (4) 0