If you live in a sunny area, you could generate your own energy. Invest in PV cells and have a professional install them on your roof. You should have your needs in electricity assessed by a professional to make sure your solar installation will provide enough power for your home.
In order to save energy in your home, you may want to think about insulating your loft, attic, and/or roof. Since heat rises, it is important that they are insulated so you do not always need to use the air conditioner on your home. This is usually so simple that you can do it yourself.
Simple, cost-effective and quick, are all ways to describe the tips you've read here. With only a small time commitment, you will be able to make a few easy changes in your own home. You can then begin to use green energy for the benefit of yourself, your family and the world. How great is that?