Global carbon dioxide (CO2) emissions in 2009 fell 1.3 percent to 31.3 billion tonnes in the first year-on-year decline in this decade, German renewable energy institute IWR said on Friday. The Muenster-... [more]

Solar power is the generation of electricity from sunlight. This can be direct as with photovoltaics, or indirect as with concentrating the sun's rays to boil water which is then used to provide power. Solar energy can be obtained in a variety of di... [more]

Renewable energy is energy which comes from natural resources such as sunlight, wind, rain, tides, and geothermal heat, which are renewable as opposed to fossil fuels for example which once gone are gone. In 2008, about 19% of global final energy con... [more]