Using reusable bags instead of plastic ones is considered ______.

The ability to maintain balance without harming the environment is known as ______.

To process used materials so that they can be used again is to ______.

Factories are a major source of air pollution because of their gas ______.

Water, forests, and fossil fuels are examples of ______.

Plastic bottles, old clothes, and food leftovers are often considered ______.

The long-term changes in Earth’s weather patterns are called ______.

Scientists are worried about the increase in ______ due to global warming.

Cutting down forests leads to serious environmental ______.

A washing machine is an example of a ______.

Vegetables grown without chemical fertilizers are called ______ food.

Buses and trains are forms of ______.

Environmental campaigns often aim to ______ people’s awareness of pollution.

Cotton, wood, and iron are examples of ______ used in manufacturing.