Small initiatives to save energy can go a long way in curbing emissions. To understand the ecological cost of power generation with hydel dams or thermal plants, think of the damage such dams cause to complex ecosystems in our hills and forests. Easier still, look at the bleak landscape in the vicinity of thermal power plants in the country, with mile upon mile of heaped fly ash, which results from the burning of coal in thermal plants. Read full text at : http://www.downtoearth.org.in/node/1887?quicktabs_1=1