There are many ways to reduce your carbon footprint. The three best ways are
1. Purchase “green electricity“
2. Buy energy and water efficient appliances
3. Recycle, re-use and avoid useless purchases
Now you can reduce your carbon footprint too.
Source: http://bravenewclimate.com/2008/08/29/top-10-ways-to-reduce-your-co2-emissions-footprint/