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Rerouting

Small changes to flight routes could deliver big climate savings

Should we farm octopus?

Move over salmon and tuna: octopus farming is the latest new venture in aquaculture. But a group of researchers take a wary view of this trend.

A new tool for protecting wildlife from artificial light

Artificial lights have turned night into semi-day across vast swaths of the world. Now the advent of LED lights that mimic natural light threaten to cause a host of problems in wildlife—but a new tool might help prevent that.

How many wild animals do people kill?

According to the most comprehensive analysis yet conducted, humans are directly responsible for more than one-quarter of all vertebrate mortalities.