________________ is something you throw away.

Many things are made from ________________; for example, toys, bags, and water bottles.

Coal and oil are ________________s.

Air ________________ can make it difficult to breathe.

I want to ________________ the environment. I want to keep it safe.

_______________ happens when too many trees are cut down.

A rise in ________________ happens when lots of ice melts because of warmer temperatures.

________________s want to protect the environment.

Deforestation will cause many animals to lose their _______________s, the places where they live.

There are many kinds of ________________ that live in the Amazon Forest.

When a kind of animal loses its habitat because of deforestation, it may become ________________.

Air pollution causes _______________ which can result in global warming and stronger storms.

This plastic drinking straw is _______________. I will use it once and then throw it away.

When you disagree with an organization or a government, you might want to ________________

Cutting down a lot of trees in tropical rainforests may lead to a(n) _____________

There are far too many people in this country - It's ______________

The company is very environmentally friendly, all its products come in __________ packaging.

Using energy efficiently reduces the emission of ____________ gases.

Oxygen in the atmosphere forms a screen, the ozon layer, which filters ___________ rays of the sun.

The children left sweet wrappers and other ___________ all over the park.

Cars produce carbon dioxide which warm up the atmosphere. Scientists proved that global warming ____________ the environment.

The leak from nearby factory has ___________ the lake and killed many species of fish.

The dinosaurs ______________ out 65 milion years ago.

______________ is a major problem in the world's bigger cities.