4 things to do during "Earth Hour"

We've added to the Independent's suggestions for ten things to do if you switch the lights off during "Earth Hour" tomorrow.

Here’s four more things to do while sitting in the dark during Earth Hour – be thankful that you have access to cheap energy, that your children don’t have to suffer paraffin fumes to do their homework, that your wife doesn’t have to spend hours collecting firewood and dung for fuel, that your family isn’t exposed to the toxic fumes from indoor air pollution that kill 1.6 million people every year.