Why do we need to conserve energy?

“Pom! Stop now, hfff . . . hfff . . . I can’t run anymore,” shouted Piu. “Hurray! I won the race,” said Pom. “Hfff . . . hfff! I don’t have the energy to run any more . . . I'm going to rest under the tree,” said Piu. It was getting dark. Soon there was a big moon over the sky. “Piu we have to go home,” said Pom...

There are some schools that have taken up energysaving initiatives to become energy-efficient. Electric bulbs, cars, fans, air conditioners, televisions, cooking ovens, chulhas, machines... the word ‘energy’ conjures up images of almost everything that makes up our everyday lives. Some forms of energy are renewable, including energy harnessed from the sun, wind and water. Energy produced from garbage, such as dead trees, branches, leftover crops and gobar, or dung, along with other forms of livestock manure—resources collectively called ‘biomass’—can also be used and then replenished. There …