There is widespread interest in biofuel crops as a solution to the world's energy needs, particularly in light of concerns over greenhouse-gas emissions.

Kerala lags behind other states in wind power generation. However, the state which relies heavily on hydroelectric power, is now gearing up to generate power from its wind energy resource. According to the data available (December 2008) with the Centre for Wind Energy Technology (C-WET), the gross wind potential for Kerala is 1,171 MW.

The use of solar energy is now moving into new frontiers, some as varied as illuminating the billboards. Perhaps the sun is becoming brighter as the day progresses more so in the rural landscapes and lately within the urban ambiences too. The moot question that remains is whether there is a compulsive need to use solar energy for urban uses like advertising?

It keeps on growing and growing - the installed capacity for renewable energy sources. Some regions in Europe are doing especially well out of the renewable energy industry.