Saving the world sounds like a task best suited to guys in spandex with red capes. But in reality, simple changes in our behaviour, like switching from regular incandescent bulbs to energy-saving CFLS (Compact Florescent Lamp), can have a powerful impact on the environment by reducing harmful C02 emissions.This website lets you dramatically visualize the impact you and your social network can have on our environment for doing something as simple as... switching a light bulb.3.3 Million switches have already been made. That’s equivalent to shutting down 4 coal power plants.