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Species lost from the eastern forests of the U.S. – from left to right: Ivory-billed Woodpecker, Passenger Pigeon, Carolina Parakeet and Bachman’s Warbler. Alexander C. Lees ©Cornell University Museum of Vertebrates

Will we soon see another wave of bird extinctions in the Americas?

The extinction threat you haven’t heard of: several South American birds teeter on the brink of existence due to habitat loss. And history is not the best guide for how to save them.
Activists surround Shell Oil rig in Seattle’s Elliot Bay to protest Arctic drilling plans. Daniella Beccaria/Flickr

Offshore drilling: why it makes economic sense to wait

Offshore drilling debates boil down to “Drill, baby, drill” versus “spill, baby, spill.” But economists say the right question is when we know enough to drill safely – and often that means waiting.
Birds are more dangerous to aircraft than drones. kvoloshin/flickr

Are drones really dangerous to airplanes?

Drones don’t pose much of a risk to traditional aviation. Our research shows that collisions with manned aircraft are far more likely to involve a bird.
Spiny water flea (Bythotrephes longimanus). Jake R. Walsh

Tiny flea reveals the devastating costs of invasive species

Invasive species cause some $120 billion in damages across North America yearly – and that’s just direct costs. A study of one species in one Wisconsin lake indicates the real toll is much higher.
Tesla Model 3: cheaper than its predecessors, but is $35,000 really within reach of ‘mainstream’ buyers? Tesla Motors

Will the Tesla Model 3 recharge the U.S. electric vehicle market?

Tesla Motors again struck a chord with the sleek Model 3 electric car but it’s still not enough to compete on price and convenience with mass market gas-powered cars, says auto tech researcher.