Ecological world

The Russian Federation’ s rank (52nd) reflects the prevalence of domestic oil and gas in its energy sector. While economic growth is supported through export revenues and affordable energy, fuel price distortion has driven the fall in the ranking relative to recent years. Alternative and nuclear energy remained stable at 9% over the last seven years, and the strong predominance of fossil fuels in the energy mix is contributing to poor air quality, according to index data. Major economies outside the top 10

                                          3. Overpopulation           Overpopulation , The population of the planet is reaching unsustainable levels as it faces shortage of resources like water, fuel and food. Population explosion in less developed and developing countries is straining the already scarce resources. Intensive agriculture practiced to produce food damages the environment through use of chemical fertilizer, pesticides and insecticides. Overpopulation is one of the crucial current environmental problem . http://www.conserve-energy-future.com/15-current-environmental-problems.php