The ozone layer is regenerating, and could be back up to strength by the middle of the century, according to a UN report.
The Edison2 team clearly put more effort into designing its fuel-efficient car than it did coming up with the name, and it's paid off: the Very Light Car No 98 has earned its designers $5 million from the X Foundation.
One disadvantage of solar cells is that they take up a lot of room - and not every building has enough space.
It's so obvious, it's a wonder nobody thought of it before: releasing vast quantities of sulphuric acid into the atmosphere to save - yes, save - the planet.
Call it hilarious, offensive, or dangerous, but any way you slice it there will be controversy over a new school named after Al Gore that's opening for the first time next week.
The Greenland and West Antarctic ice caps are melting at half the expected rate, according to a joint US-Dutch team.
MIT rsearchers have created tiny solar cells that can repair themselves after damage from the sunlight they're designed to process.
In a move that should surprise absolutely no one, the government has decided to hold off on taking a firm stance in the net neutrality debate.
A Californian company has filed a patent for a technology which it says allows CO2 and natural gas to be converted directly to gasoline.
MIT has developed an autonomous floating robot that it says can absorb as much as 20 times its own weight in oil.
A long-awaited report into the Intergovernmetal Panel on Climate Change has concluded that the panel, which manages research into climate change, needs changes at the top.
Brazilian scientists believe they have found a way of tapping electricity direct from the air - and preventing lightning strikes at the same time.
Tackling sea level rises though geoengineering won't work, and would impose enormous risks on future generations, according to an international research team.
A Canadian company will next month launch what would surely be a hippy's perfect car - one built largely from cannabis.
Researchers have developed a system allowing large-scale solar power installations to keep themselves clean, based on technology developed for missions to Mars.
Scientists have cataloged a new and enormous aquatic garbage dump in the western North Atlantic.
A new study brands Americans 'clueless' on energy-saving measures, saying they expect tiny changes to save the planet.
A German city is installing paving slabs that scrub the air clean of pollutants.
Hands up everyone that has fond memories of a pedal-powered toy car. Yup, thought so. And for those that want to recreate the experience, a new adult-sized, human-powered vehicle is about to go into production.
Despite concern that it's ineffective and potentially dangerous, a government task force has concluded that there's no reason carbon sequestration shouldn't be introduced on a large scale within the next ten years.