Science news articles about 'renewable sources of energy'

Fossil fuels are running out, and the only real answer to tackling global warming is to use renewable sources of energy. So, how do they work?

... limited amount of fossil fuels available, renewable resources, such as specially cultivated plants, wood ... bio-oil, a highly promising renewable source of energy. A team of German and Chinese scientists ...

... has been built upon an ultimately unsustainable foundation. Martin Nicholson presents a strong case for a return to renewable sources of energy, sources that humanity have relied on for millennia.

The idea of using switchgrass as a renewable source of energy could take off, supporters say, if we stopped thinking of it as a liquid-fuel replacement.

... Nevertheless, Mei is adamant that more attention should be given to this renewable source of energy, and he would like to see a team of MIT experts in different fields — from energy ...

Although the environmental benefits of burning less fossil fuel by using renewable sources of energy--such as geothermal, hydropower, solar and wind--are clear, there's been a serious roadblock in ...

... , for 2010, the technological centre foresees adapting the plant and making a commitment to that renewable source of energy which has seen the greatest surge in recent years: hydrogen. So, the aim is ...

As global temperatures and energy costs continue to soar, renewable sources of energy will be key to a sustainable future. An attractive replacement for gasoline is biofuel, and in two studies ...