Pollution continues to _________ wildlife.

The country’s natural _______ must be protected.

Factories ______ harmful gases into the air.

It’s difficult to ________ in heavily polluted areas.

Car ______ are harmful to human health.

Temperatures are expected to ________ this summer.

Problems may _________ if we ignore the situation.

We should reduce ________ as much as possible.

People shouldn’t ________ in public places.

We must __________ natural resources.

The teacher _______ a project on climate change.

Residents were ________ about the pollution levels.

The area was declared a(n) _________ to protect wildlife.

They were ________ to leave their homes.

The ________ studied plants and animals in the region.

The forest is part of a(n) __________ .

You need a(n) ______  to enter the protected area.

They discovered a natural _______ of water in the mountains.

Dark clouds are a(n) ______ of bad weather.

If a wasp ________ you, it can be quite painful.