Hemal Ashar offers some time-pass ideas for Earth Hour tomorrow when environmentally-conscious Mumbaikars will switch off lights foru00a0an houru00a0u00a0

Mumbai will move from lightness to dark tomorrow. India will observe 'Earth Hour' by turning off all lights and electrical appliances from 8.30 pm to 9.30 pm. Here are some suggestions on how to bring the light back into your lives during that dark hour...

Weight and watch: Lose at least 100 gm in weight since Saturday morning and say as you skip/jog or walk: "Dark hour mein light hona chahta hoon."