Vast amounts of methane are bubbling up from the East Siberian sea, raising fears of a massive hike in global warming.
A Swedish professor has invented a disposable toilet that turns human waste into fertiliser.
A boat built from 12,000 plastic bottles it to set sail this month, with the aim of crossing the Pacific Ocean.
Vodafone is the most sustainable major ICT company in the world, with Verizon and AT&T the worst, according to a report from the Two Tomorrows Group.
The calving of a massive Antarctic iceberg is expected to affect ocean circulation worldwide, causing colder winters the other side of the world.
The US is to build the world's most expensive embassy, in London. Described as super-high-tech, one of its main defences against terrorism is a moat.
Developing countries are in danger of disappearing under a mountain of e-waste, according to UN experts.
Silicon Valley start-up Bloom Energy has unveiled the Bloom Box, a domestic fuel cell system that it says is simple and cheap to run. But it's not expected to be available for up to ten years.
An engineer at the University of Michigan thinks our cars just have it too easy. Instead of sitting idle for hours in parking lots, they should be earning their keep by helping store power for the electricity grid.
Ocean acidifcation is taking place at a faster rate than has been seen in the last 65 million years - and it's still accelerating.
UCLA chemists have created synthetic gene-like crystals that they say could capture heat-trapping carbon dioxide emissions.
Sydney's University of Technology knows its Sydney Tower is pretty hideous - it even says so on the website. So in traditional fashion, it's decided to put a paper bag over its head.
A top ecological forecaster says it is harder than experts thought to predict sudden shifts in Earth's natural systems - the so-called tipping point.
The US Commerce Department is to set up an office to provide data on climate change to businesses and communities.
Painting roofs white really could cool cities significantly and help mitigate global warming, a new study suggests.
Americans care less and less about global warming, according to a survey.
It's one of the most controversial subjects on earth, but if data from NASA is to be believed, the past decade on the planet has been the warmest ever.
US hurricane damage will rise by a third this century, a new climate study concludes.
With what some may see as jaw-dropping cheek, a new government-funded study of ozone pollution in western North America has concluded that it's all Asia's fault.
Asian carp DNA has been found in Lake Michigan for the first time, raising fears that they could devastate the Great Lakes' delicate ecology - and commercial fishing interests, of course.