In what's being seen as a huge step forward in the effort to curb climate-warming emissions, the United States and China have ratified the Paris global climate agreement. Other countries are now expected to follow suit.
Scientists have engineered a bacterium that can take carbon dioxide from the air and turn it into fuel in a single enzymatic step.
A joint research team at Masdar Institute and MIT has developed a new two-layer solar cell with a theoretical efficiency of 40 percent, smashing the current world record.
Sweden is on its way to being zero waste - and it transforms much of its trash into sustainable energy.
U.S. Dept. of Energy announces major new initiative toward clean, safe and virtually limitless power.
New law requires the US economic powerhouse to cut its emissions by 40% below 1990 levels by 2030
The Block Island Offshore Wind Project has just finished construction, and is on track to meet its November opening schedule. The wind farm will provide electricity to 17,000 homes.
The gleaming sphere is capable of producing up to half-a-million gallons of fresh water each year.
Scientists believe they've found a way to convert all these emissions into energy-rich fuel in a carbon-neutral cycle that uses a very abundant natural resource: silicon.
Costa Rica has run on 100-percent renewable energy for the past 113 days, edging closer to its goal of being completely free from fossil fuels.
A presentation to the American Chemical Society's fall meeting has revealed how fungi can extract valuable materials from batteries that would otherwise go to waste.
Most foods at the grocery store come wrapped in plastic packaging. This create a lot of non-recyclable, non-biodegradable waste. Scientists are now developing a packaging film made of milk proteins that addresses these issues - and it is even edible.
In a bid to give wings to its vision of eco-friendly aircrafts, NASA is all set to launch a set of five research projects. These projects are aimed at shrinking fuel use, reducing aviation's impact on the environment and quieting noise around airports.
Our homes are set to be revolutionised by the application of renewable energy and smart gadgets.
Helsinki, Finland is road-testing autonomous buses as part of the effort to make the city car-free within a decade.
