The U.S. needs to move away from nonrenewable energy sources like fossil fuels because these sources are not able to be replenished in a lifetime, ...
Renewable energy would be a great way for the U.S. to reduce carbon emissions, make power safer, and create a whole new industry.
Fossil fuels aren't as bad as we think, nor is global warming.
My letter discusses the importance of preserving our environment and changes in the earth's climate.
Global warming is a huge issue in today's world. It's every American citizen's job to go out and help us fight against this common enemy!