We need to find better ways to get energy. It may be solar, wind, hydro, or something we haven't even thought of yet. These new ways won't be sought out as long as we have cheap energy from oil and coal, but we have to do it before it is too late. If you feel the same way, write a letter to your congressman or senator. Let them know you want them to start researching alternative forms of energy.
Until these new energy sources are cheap and reliable, we need to conserve our energy to ensure our current sources aren't depleted. This can be as easy as turning off the lights when you leave the room or not letting the water run while your brush your teeth or not driving to get fast food when you could cook something at home. The little things you can do are infinite. Even if you don't believe in climate change, doing these things will save you money. I haven't found too many people who don't like to save money.
Today, think about how you use energy. We use it everywhere. What would happen if the electricity was turned off? If you couldn't buy gas anymore? How would we get food? Go to work? Today, think about what you could give up or cut back on to keep our current standard of living.