You must have Starbucks, but those cups are bad for the environment. What do you do?

Low-energy lightbulbs can save you how many watts of energy per bulb?

Which is more energy efficient: a desktop or a laptop computer?

Experts have been taking about environmental collapse for how long?

What would happen without the natural Greenhouse gasses in the atmosphere?

Each 40-foot long bus that is full of people is equivalent to _____ cars that are not on the road?

About 10 percent of our energy use can be attributed to what?

Older toilets use how much water per flush?

What percentage of emissions through energy output is via homes?

As a result of Rachel Carson's book, 'Silent Spring', the Environmental Protection Agency was formed.

As early as the 1800s, the concept of the Greenhouse Effect was known.