Carbonfootprint.ppt

1、The second topics,What are you doing to reduce your carbon footprint ?,What is carbon footprint,A carbon footprint is the total amount of greenhouse gases produced to directly and indirectly support human activities, usually expressed in equivalent tons of carbon dioxide (CO2). In other words: When

2、you drive a car, the engine burns fuel which creates a certain amount of CO2, depending on its fuel consumption and the driving distance. When you buy food and goods, the production of the food and goods also emitted some quantities of CO2. Even if you heat your house with electricity, the generatio

3、n of the electrical power may also have emitted a certain amount of CO2. Your carbon footprint is the sum of all emissions of CO2, which were induced by your activities in a given time frame. Usually a carbon footprint is calculated for the time period of a year.,How to reduce your carbon footprint?

4、,Use cleaner transport,1.Walk, bike, or take public transit whenever possible. 2.Avoid allowing your car to idle. If youll be waiting for more than 30 seconds, turn off the engine (except in traffic). 4.For short journeys either walk or cycle. 5.Try to reduce the number of flights you take. Think it

5、 through - Do you need to take this trip at all? Use the bus or a train rather than your car .,Reduce your Food Footprint,Eat more local, organic, in-season foods. Plant a garden. Shop at your local farmers market or natural foods store. Look for local, in-season foods that havent traveled long dist

6、ances to reach you. Choose foods with less packaging to reduce waste. Eat less meat. Globally, it has been estimated that 18% of all greenhouse gas emissions are associated with meat consumption.,Reduce your Goods and Services Footprint,Buy less! Replace items only when you really need to. Recycle all your paper, glass, aluminum, and plastic. Compost food waste for the gar