Research shows Alaska infrastructure at risk of earlier failure

Roads, bridges, pipelines and other types of infrastructure in Alaska and elsewhere in the Arctic will deteriorate faster than expected due to a failure by planners to account for the structures' impact on adjacent permafrost, ...

Mapping methane sources in Paris

A potent greenhouse gas, methane is released by many sources, both human and natural. Large cities emit significant amounts of methane, but in many cases the exact emission sources are unknown. Now, researchers reporting ...

GPS tracking could help tigers and traffic coexist in Asia

More than 100,000 tigers ranged across Asia a century ago, from the Indian subcontinent to the Russian Far East. Today they are endangered, with only about 4,000 tigers left in the wild. The greatest threats they face are ...

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