The latest report on Renewables from the Committee on Climate Change (CCC) offers lukewarm support for electricity generation from tidal streams. The UK has some of the fiercest tidal currents in the world, but the CCC says the tidal turbines will deliver energy at a higher cost than PV in 2040. The assumptions behind this pessimism are questioned in this article.
In 2010, the U.S. wind turbines industry installed 5,115 MW of generating capacity, increasing the country's installed wind farm capacity by 15%, according to the American Wind Energy Association.
The study found that subsidising geothermal technology initially would help to bring down costs rapidly as UK sites were developed The UK could meet a fifth of its power needs - the equivalent of nine nuclear power stations - by exploiting geothermal power, a new report into the technology has found.
Leading energy ministers have been told the world is on track for a long-term temperature increase of 6C unless they change their priorities. The International Energy Agency (IEA) said on current trends, emissions would double from 2009 to 2050. The deputy director of the IEA, Richard Jones, urged ministers: "Please take our warning seriously."
Scientist Willie Smits believes that the Arenga sugar palm may be the key to protecting tropical forest in Indonesia while providing opportunity for villagers through a unique process of biofuel production.