Halloween: the scary energy story

The trick-or-treat day is back, and so is the hallowing reality of the food wastage that sees about 10 million pumpkins dumped in landfills. It is not just a night of scary costumes, but the figures indicate that it a global nightmare with severe hampering on the environment and increasing pollution levels.

This pumpkin, if dumped in landfills, decay and release methane, which is a greenhouse gas and causes pollution. Every year abou....