The science is clear: climate change is happening, and it is linked directly to human activities that emit greenhouse gases.Scientists state unequivocally that the earth is warming. Climate change is happening, it is caused in large part by human activity, and it will have many serious and potentially damaging effects in the decades ahead. Greenhouse gas emissions from cars, power plants, and other human activities—rather than natural variations in climate—are the primary cause of contemporary global warming.
Changing your light bulbs to compact fluorescents (CFLs) is one of the easiest steps you can take to lower your carbon footprint. CFLS also have the added advantage of saving you $30-40 over their lifespan. By replacing just one 100W incandescent bulb in your home with a 20W CFL you can reduce annual CO2 emissions from lighting by 75%.
Try to walk or bike as much as you can. By walking or biking to workplace 1 km distance every day you can annually save 60 kg of CO2