The world is facing a serious problem with global warming. This has paved the way for us to think of alternative energy sources and reduce the emission of Green House Gases to the atmosphere. We are aware of the scarce natural resources that we use in generating electricity. We should not use all the resources only for our consumption. We should think of our descendants and leave some amount of resources for their consumption. Life should be sustained upon this earth. There are various sources of sustainable energy: solar energy, wind energy, tidal power, bio-energy and hydro-electricity. We have to use the latest technologies available to meet our needs without compromising the ability of future generations to meet their needs. There are both renewable and non-renewable sources of energy and the majority of the world’s thought has been to develop renewable sources.
All the world’s leaders have urged the nations across the world to emphasize renewable sources of energy. This way, we can have a Green Earth and have a good ecological balance to maintain the process of life. The United Nations has come out with a system of so-called “Carbon Credits” to encourage the countries to go for renewable sources of energy. This proved successful in the last 3 years of ‘Carbon Credit’ trading strategy. A special day, “Earth day”, on April 22 has been able to create awareness among the masses to contribute their fair share for a Greener Earth. Earth Summit is also going to take place in Rio De Janeiro in 2012 to assess the present global situation. Both the developing and developed countries should go side by side towards the goal of sustainable energy. If every individual is successful in providing their contribution towards a Green Earth, then there is no doubt that sustainable energy can be a real thing rather than a dream.