2 - e: If you print on both sides, you’ll use much less paper.
3 - a: If you spend less time in the shower, you’ll waste less water.
4 - f: If you buy local food, you’ll reduce unnecessary food transportation.
5 - b: If you stop drinking bottled water, you’ll reduce plastic pollution.
6 - d: If you walk or cycle more, you’ll reduce traffic pollution (and get fitter)!