renewable energy

U.S. Team Makes Oil From Algae — Fast

Dec 23, 2013
Although it's still a long way from commercial viability, a U.S. team has produced oil from algae in less than an hour, in contrast with the millions of years the natural process needs.
Join our newsletter Stay up to date with the latest from Truthdig. Join the Truthdig Newsletter for our latest publications.

Renewables ‘Need Huge Mineral Supply’

Oct 31, 2013
The world will have to hugely increase its consumption of minerals, and to find sustainable ways of exploiting them, if it is to replace fossil fuel technologies with renewables, researchers say.

U.S. Nuclear Closures Could Raise Emissions

Oct 17, 2013
American nuclear power is fighting to survive because the price of natural gas has plunged. But without enough renewable replacements, closures could lead to a big rise in emissions rates.

Norway’s Billions Could Go Into Renewables

Oct 14, 2013
Norway is on the brink of instigating a potentially world-changing approach to climate change if it goes ahead with a plan to invest billions of dollars in global renewable energy projects.

Both Salmon and Hydropower Can Thrive

Oct 13, 2013
Scientists have produced a handbook that shows how better river management can mean more breeding success for migratory fish and more electricity from a vital source of renewable energy.

The Third Carbon Age

Aug 9, 2013
Don’t imagine for a second that we're headed for an age dominated by renewable energy. Instead, humanity is pioneering the third great carbon era, the Age of Unconventional Oil and Gas.