It's easy to get involved in the fight against climate change. You can start by measuring your climate impact and then managing your environmental footprint. Brighter Planet allows you to watch your carbon footprint with an online tool assessment that prompts you to answer questions, and a sophisticated emissions model tells you what your footprint is. You can watch it change over time as you learn to live a more carbon-free life. The site also offers energy conservation tips and emission-reducing strategies and lets visitors share their ideas and experiences.