Air travel and climate: A potential new feedback?

Global air travel contributes around 3.5 percent of the greenhouse gas emissions behind/driving anthropogenic climate change, according to the International Panel on Climate Change (IPCC). But what impact does a warming planet ...

Faced with global warming, aviation aims to turn green

Will we someday be able to fly without the guilt of causing environmental damage? A handful of firms and regulators hope that the electric revolution in cars will also take to the skies, helping the industry cope with an ...

What holds energy tech back? The infernal battery

As 21st century technology strains to become ever faster, cleaner and cheaper, an invention from more than 200 years ago keeps holding it back. It's why electric cars aren't clogging the roads and why Boeing's new ultra-efficient ...

Airlines positioned for big gains in efficiency

Planes are being built out of the same lightweight materials used for Formula 1 race cars. Their engines are being redesigned to squeeze more thrust out of every gallon of fuel. And governments are developing air-traffic ...

page 1 from 6