If....
If we take reusable shopping bags, we'll conserve energy.
If...
If we use energy-saving light bulbs, we'll conserve energy.
If...
If we keep the air conditioner on low, we'll conserve energy.
If...
If we grow our own vegetables, we'll conserve energy.
If...
If we dry our clothes outside, we'll conserve energy.
If...
If we take public transportation, we'll conserve energy.
