Our class planted a tree for Earth Day.
To reduce waste, "Reduce, reuse, recycle."
The students all pledged to use less paper.
Earth Day is observed every year on April 22.
The first Earth Day was held on April 22, 1970.
Earth Day began as a national environmental teach-in.
Waste reduction is an important environmental issue.
Climate change is a critical environmental issue.
Using a clothesline instead of a dryer saves energy.
His class decided to plant a tree for Earth Day.
Make every day Earth Day by protecting the environment throughout the year.
Each of us can help protect our planet by our individual actions.
Our way of life has created many environmental problems.
On Earth Day, make a personal pledge to protect the environment.
The first Earth Day on April 22, 1970, marked the beginning of the modern environmental movement.
Mia pledged to stop accepting new plastic shopping bags with every purchase.
Meagan pledged to walk or bike, instead of going by car, whenever possible.
Fred pledged to use public transportation rather than commuting by car.
To reduce waste, do not buy or accept anything that you do not really want or need.
For Earth Day, he replaced all the incandescent light bulbs with compact fluorescent lights.
In 1970, Senator Gaylord Nelson proposed a national teach-in on the environment.
Senator Gaylord Nelson was the founder of Earth Day.
Earth Day is an opportunity for people to express their concern about what is happening to the environment.
Earth Day is a grassroots protest against the damage that is being done to the environment.
Fossil fuels, such as oil and coal, are non-renewable sources of energy.
One way to reduce greenhouse gases is to reduce deforestation.
Trees absorb carbon dioxide, reducing the amount of that greenhouse gas in the atmosphere.
Greenhouse gases in the Earth's atmosphere prevent heat from escaping into space.
The founder of Earth Day said, "Earth Day worked because of the spontaneous response at the grassroots level."
The first Earth Day was a massive success, demonstrating the overwhelming public desire to protect the environment.