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October 31, 2012
A potent greenhouse gas, an energy source, a culinary delicacy for some microbes – methane is all of these and more. But is it also the harbinger of impending catastrophe? There’s no smoking gun, finds Ninad Bondre.
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October 10, 2012
The Arctic is warming twice as quickly as the rest of the world, with significant consequences for northern Eurasia. Cat Downy discusses how the European Space Agency is working with researchers to combine remotely sensed, field and laboratory data in this hard-to-access region.
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October 10, 2012
The Planet Under Pressure conference underscored a rapidly changing landscape of Earth-system science. Mike Raupach says that the path ahead should combine the need for wider engagement with a continuing commitment to reason.
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October 10, 2012
Media reports in Europe and North America were downbeat about the outcomes of Rio+20. But a more sober analysis points to some significant successes, not least for IGBP, reports Owen Gaffney.
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October 10, 2012
A new way of analysing complex global challenges – DebateGraph – has caught the attention of the White House, the UK Prime Minister’s Office and CNN. Here, DebateGraph co-creater David Price discusses how “collaborative argument visualisation” can help to support a planet under pressure.
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October 10, 2012
The relentless increase in summer sea-ice melt is likely to amplify Arctic warming. But could the same conditions also spur the activity of marine microbiota, increase cloudiness and counteract the melting? Paty Matrai and Caroline Leck explore.
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April 10, 2012
Human infrastructure both contributes to and is affected by global change. The engineering and climate research communities must work together to respond and adapt to such changes, say Faisal Hossain and Julia Pongratz.
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April 10, 2012
A sequence of devastating earthquakes and a large number of weather-related catastrophes made 2011 the most expensive year ever for natural catastrophe losses for insurance companies. Owen Gaffney spoke to the world’s largest reinsurance company Munich Re’s Head of Geo Risks Research, Peter Höppe.
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April 10, 2012
Industrialisation is consuming natural resources at rates that are demonstrably unsustainable in the long term, points out Helmut Haberl.
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April 10, 2012
New cities are sprouting up virtually every day as the world urbanises rapidly. But the projections for the coming decades vary widely. Michail Fragkias and Karen C Seto analyse the facts and discuss the implications.