IE.1.f Environmental decision-making

Glass is made from...

• Sea Shells

• Water

• Plants

• Sand

Drawbacks of glass containers are...

• They leak

• They are heavy

• They are recyclable

• They can break

North America only recycles ______ of its glass containers.

• 1/3

• 1/4

• 1/2

• 3/4

Glass produced from recycled glass reduces related air pollution by ____ and related water pollution by _____.

• 30%, 40%

• 50%, 20%

• 10%, 10%

• 20%, 50%

Scientists predict that by 2050, there will be more plastic by weight than...

• people on Earth

• water in the ocean

• buildings on Earth

• fish in the ocean

Drawbacks of biodegradable plastic are...

• decomposers such as fungi, bacteria, worms can get sick

• costs more to manufacture

• biodegradable plastic also needs heat to decompose

• breaks down faster than synthetic plastic

The same piece of plastic can only be recycled about ____ times before its quality decreases.

• 1

• 13

• 3

• 30

Synthetic plastic is made from...

• Crude oil and natural gas

• Greenhouse gases

• Gum trees

• Coal

Recycling of aluminum cans saves ____ of the energy required to make the same amount of aluminum from scratch

• 25%

• 50%

• 75%

• 95%

Humans have trashed more than a _____aluminum cans in landfills since 1972, when such records began.

• thousand

• million

• billion

• trillion