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Berlin plans a new network of bike superhighways.

Twenty years ago, Berlin’s network of sidewalk paths marked it out as one of Europe’s best places to ride a bike. But as the...

The conservative carbon tax: Right idea, wrong tool.

March 13, 2017 — Recently some U.S. conservative leaders proposed a carbon tax to hedge the risks associated with climate change. We welcome these...

Biogeochemistry: Land CO2 sink drivers

Nature 541, 516–520 (2017) Year to year, variations in the rate of atmospheric CO2 growth arise primarily from fluctuations in carbon uptake by ecosystems on...

Boko Haram terrorists thriving on climate crisis: report

Chronic drought around Lake Chad is reinforcing terrorist group Boko Haram’s stronghold on the region, a report commissioned by the German government has warned.Some...

Space probe’s collision with asteroid: Study assesses ejecta momentum enhancement

On September 26, NASA's Double Asteroid Redirection Test (DART) spacecraft crashed into Dimorphos, a moonlet of the near-Earth asteroid Didymos, at 14,000 miles per...