You can do something as simple as planting a __
Instead of paper or plastic, try __ shopping bags
A color indicating that a product or practice is environmentally friendly
New technologies are making wind and __ energy more efficient
The Kyoto Protocol established a market for trading __ credits
Use air conditioning only when needed and keep the air __ clean
These vehicles increase gas mileage with electrical power
Using __ transportation can reduce traffic congestion and emissions
Choosing a product with an Energy Star __ saves power
The __ of forests to clear land has a huge environmental impact
You can __ or keep your car well-tuned to save gas
Carbon trading lets you use __ to offset your environmental impact
Even breathing produces carbon __
Control __ costs with insulation and wear a sweater
Take shorter showers and install a __ __ showerhead
__ from dairy farms and landfills is being converted to electricity
Less carbon emissions means better air __
You can now buy __ carbon credits to offset your own impact
Save the waste and transportation of bottled water and drink __ __
This fuel is made from distilled corn and is renewable
__ testing for vehicles is required in most states
Your carbon "__" is how much CO2 you are personally responsible for
Reusing and __ products save resources and usually energy too
__ energy sources tend to pollute less
A clean energy source that uses the heat in the Earth's core
The overall goal is to reduce the emission of __ gases
Compact __ light bulbs use less electricity than incandescent bulbs
A type of power from water that has been around for many years