How do green roofs save energy?

Of course it does!

Sure. Most forms of energy that we use, we have to pay for one way or another. Use less, pay less.

turning all appliances to stand by when not in use

To save energy During the day turn out lights because you already get light from the sun. Turn off the t.v. and go outside to play ,read etc. Try walking and cycling more than using a car. try using...

People save energy for many reasons. Using most forms of energy produce waste and heat, which are acting to destroy and pollute our environment and to cause global warming. Many form of fuel energy...