Waste
Air pollution
Plastic
Politics
Misc.
100

These are the only two things Walden can recycle.

What are paper and cardboard?

100

This is the greenhouse gas that is the biggest contributor to climate change.

What is CO2?

100

These are defined as pieces of plastic less than 5 mm long, which are harmful to aquatic life.

What are microplastics?

100

This is what the EPA stands for.

What is the Environmental Protection Agency?

100

Oil, natural gas, and coal are all a part of this category, defined as an energy source formed in the Earth's crust from decayed organic material.

What are fossil fuels?

200

This is the number of recycling levels there are.

What is 7?

200

The current CO2 level on Earth is 421 ppm. This is what the unit ppm stands for.

What is parts per million?

200

This is how long it takes for a plastic bottle to decompose.

What is 450 years?

200

This country is the number one CO2 producer.

What is China?

200

This 21 year old Swedish climate activist gained recognition for her school climate strikes.

Who is Greta Thunberg?

300

The process of recycling organic matter, like food scraps, into a valuable fertilizer.

What is composting?

300

This is how long CO2 stays in the atmosphere after being emitted.

What is 300-1,000 years?

300

This is how many pounds of plastic is put into the ocean every year.

What is 33 billion pounds?

300

President Trump pulled us out of this international treaty that aims to limit global temperature increases.

What is the Paris Climate Agreement?

300

This is the percent of the population that lives in a watershed.

What is 100%?

400

This is the biggest recycling company in the US.

What is Waste Management Inc?

400

This is the number of people who die from air pollution each year.

What is 7-9 million?

400

This is the amount of pounds of plastic the US makes per year.

What is 130.1 billion pounds?

400

This was the president who created the EPA.

Who was Richard Nixon?

400

This invasive species native to Japan and Southeast China got the nickname of “the vine that ate the South” because of how quickly it spreads.

What is kudzu?

500

This is the number of trees cut down per year.

What is 15 billion trees?

500

This number is the approximate number of pounds of CO2 is produced by burning one gallon of gasoline.

What is 19.5 pounds of CO2?

500

This is the percentage of plastic that is actually recycled.

What is 9%?

500

This law was passed on January 1, 1970 that aimed to improve the environment.

What is the National Environmental Policy Act?

500

This person is the best environmental teacher.

Who is Cody Nygard?