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The most renewable and most powerful resource on the planet is certainly solar energy. From solar collectors for water heating to photovoltaic panels for electricity, the sun has a lot to offer.

Gasification is a centuries-old thermochemical energy conversion technology that has slowly achieved modernity over the decades. The technology is undergoing its third evolutionary surge. Fuel shortages in WWII spurred widespread adoption for vehicle fuels. The oil crisis 1973 spurred a re-evaluation and renewed development. Rising oil prices, globally increasing fuel demand, and overwhelming scientific evidence of climate change have spurred this last leg to full industrialization.

The rolling plains of Castilla-La Mancha are dominated by the windmills that provoked the fevered imagination of Don Quixote. But Spain's relentless investment in wind power and other renewable energy sources has proved wrong those who thought it was tilting at windmills. The sleek white wind turbines and hydroelectric plants that have sprung up across the country in recent years generated 30 per cent of Spain's energy this year for the first time.

We know what's really been holding you back from building a wind energy farm in your backyard is the fact that turbines clash with the rest of your décor. Well, Philippe Starck is here to rescue the renewable energy industry with his Democratic Ecology. The transparent mini-turbine, which comes out in September, can generate 20-60 percent of the energy needed to power a home for $633. Pramac, a company better known for oil and diesel generators, helped out with the technical details.

Wind supplied more of Britain's electricity that water for the first time last year, while power generators preferred gas to coal and nuclear output continued to decline, according to new government data. Five percent of Britain's electricity came from renewable sources in 2007, up from 4.6 percent in 2006, as more wind farms started feeding clean electricity into the network, helping cut the country's carbon emissions.

In a high profile campaign, West Virginia citizens have asked for a last minute 'stay of execution' against the imminent destruction of the site of a proposed wind farm on the state's Coal River Mountain. Handing in a petition, signed by more than 8,000 residents, campaigners today called on State Governor Minchin to make good on his commitment to support the development of renewable energy in the state, and order a halt to the destruction of an area with enough wind power potential to supply 150,000 homes.

Imagine cars with no tailpipes and no direct carbon emissions into our atmosphere - powered by an electrical energy system getting cleaner by the year through Renewable Portfolio Standards in effect in California and across the nation. More than a decade ago, I was one of the original owners of the EV1, an electric vehicle produced by General Motors (GM). When GM discontinued the series and reclaimed all of the EV1s, it was a major setback for the American car industry. Instead of leading the charge to create a new generation of vehicles - America fell behind.

"Wind energy could generate 20 percent of the electricity needed by households and businesses in the eastern half of the United States by 2024, but it would require up to $90 billion in investment, according to a government report released on Wednesday. For the 20 percent wind scenario to work, billions must be spent on installing wind towers on land and sea and about 22,000 miles of new high-tech power lines to carry the electricity to cities, according to the study from the Energy Department's National Renewable Energy Laboratory."

Brian Keane, who leads a nonprofit called Smart Power, wants to do for renewable energy what the "Got Milk?" campaign does for milk and what the "Fabric of Our Lives" campaign does for cotton-he wants to make wind and solar and hydropower and geothermal energy really cool, and get more people to buy them. Here's one way he is going about it, with a little help from a friend:

WASHINGTON (AP) - Auburn University has been selected to receive up to $4.9 million of federal grant money for a biofuel project.

The year 2013 witnessed some significant milestones in renewable power generation and transmission, inculding the opening of some of the world's biggest wind, solar and bio-gasification plants. Power-technology.com picks the ten biggest clean energy developments from 2013.

The year 2013 witnessed some significant milestones in renewable power generation and transmission, inculding the opening of some of the world's biggest wind, solar and bio-gasification plants. Power-technology.com picks the ten biggest clean energy developments from 2013. The London Array, the world's biggest offshore wind farm, at 630MW installed capacity was opened in July 2013.

What does the future hold for the world's largest renewable energy source, hydropower? Hydropower is an incredibly old source of energy, tracing its usage back to the watermills that have been a staple of civilisations since ancient times. Today, it is the largest source of renewable energy in the world, with an installed capacity of over 1126GW in 2018. Hydropower is particularly prominent in China, where the world's largest power station Three Gorges power plant in Hubei province produces 22.5GW. Other massive projects also dot the country, including the Xilodu (12.3GW) and Longtan (6.3GW) dams.

What better way to save the world than to start in your own back yard? That's what Doug Rempel is doing - one SIP at a time. Doug is currently building an entirely energy efficient home next to Lillooet Lake, in Pemberton, B.C. The home is "off the grid" which means everything, from the solar insulation panels (SIPS) to the architecture of the home - with window levels and patio ledges based on sun path charts - is created to heat and cool in the most natural way possible. There is no hydro power or natural gas. "Energy-efficiency is a career as well as a passion of mine," says Doug.