GREEN TAGS Links:   - Buy Green Tags   - Back to Geisswerks Green Tags     Green Tags (also known as Renewable Energy Credits) are a way to directly purchase clean, renewable electricity. You can even buy them online. $20 funds the production one Megawatt-hour (...of which the average household consumes 10 a year), which prevents 1,400 pounds of carbon dioxide (a greenhouse gas) from entering the atmosphere. You can visit the Bonneville Environmental Foundation to buy green tags.