The David Suzuki Foundation provides many detailed ways in which to reduce your carbon footprint.
Some of these ways include:
-switching to green energy
-switch to energy efficient lighting
-purchase local
-travel sustainably and purchase carbon offset credits
-limit you driving to only what you need to do
-reduce your home heating and electrical
…and many more ideas!
http://www.davidsuzuki.org/what-you-can-do/reduce-your-carbon-footprint/