Greece's shortage in natural resources, delicate ecosystem, extensive sun coverage and aeolic activity make green technology the preferred energy choice.

Jul 20, 2010 - Antonis Hontzeas

The oceans are a huge repository of the sun's energy. There are at least three ways to recover this energy. This article looks at one - wave power

Feb 19, 2011 - Frank Parker

Simple definitions of the main sources of renewable energy including solar heat, the difference between fossil fuel and biomass; and a description of tidal power.

Dec 7, 2007 - Elaine Walker

Hydrogen, a carrier of energy, is not an energy source. With greater availability of hydrogen cars, hydrogen production by renewable energy can combat global warming.

Jul 9, 2008 - Laurence O'Sullivan

There are a number of alternative sources of energy and environmentally friendly fuels available to combat the damage to the environment caused by Fossil Fuels.

Mar 31, 2008 - Laurence O'Sullivan

In the past few years, the electric car has gained enormous hype throughout North America as a valid replacement for fossil-fuel burning cars. Is the power grid ready?

Jun 20, 2009 - James Jackson

As carbon-based energy supplies are dwindling, other sources of energy are being explored

Apr 23, 2007 - Katharine M. J. Osborne

Electrical energy can be generated using different means including fossil fuels, solar power, hydroelectric energy, wind power and geothermal energy.

Sep 27, 2010 - Zeeshan Amin

Alternative energy is anything but fossil and nuclear fuel. Which source can most likely replace crude oil on its own: hydroelectric, solar, wind, geothermal, or biomass?

Oct 23, 2009 - Don Kaiser

With all the concern about pollution and global warming, it seems sensible to turn to wind as viable, clean and green energy source. Wind power's time has come!

Mar 18, 2010 - Clive Reed

Alternative energy language has developed as technology continues to improve. This primer provides basic background for many clean energy technologies available today.

Jul 6, 2009 - Justin Novak

What are the major sources of alternative energy? Article also discusses how solar energy is used in solar panels, and how energy is collected from the sun.

Dec 16, 2010 - Saleha Faruque

Switching to "clean energy" sources will not solve the environmental problems associated with energy use. Alternative sources of energy can also damage the environment.

Jan 12, 2009 - Laurence O'Sullivan

Energy produced from renewable sources (wind, solar/photovoltaics, biofuels) will become increasingly important, as shown by data from various countries.

Apr 5, 2011 - Clara Piccirillo

Biodiesel from waste, edible and non-edible sources can be used in most diesel engines. Environmental and economic benefits from biofuels are well documented.

May 20, 2009 - Justin Novak

Oil stocks have reaped the reward of record oil prices, but demand for other solutions has grown. Alternative energy companies are now a big investment opportunity.

Jun 30, 2008 - James Brumley

Auto companies are scrambling to produce cars that run on green energy, but the viable alternatives to fossil fuels seem confined to electricity, bioenergy and hydrogen.

Oct 3, 2009 - Laurence O'Sullivan

Energy programs launched by the Ontario Liberal governrment over the past few years will result in a significant increase in future electricity costs.

Nov 5, 2011 - Duane Sharp

One of the most plentiful alternative energy sources is biomass energy. It is plentiful, renewable and also recovers and recycles waste and waste by-products.

Sep 28, 2009 - Frank Giorno