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 …

Junk lovers, welcome a new addition to the group—the bees. Pollen is the only natural source of protein for bees, but every day it is becoming starchier—thanks to the increasing carbon dioxide in the atmosphere, which is sapping the nutritional quality of pollen. Bees need adequate proteins to feed their larvae and maintain their immune systems; some bees store pollen to tide through winters.