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If you ask me, ____ waste is a much bigger problem than ordinary household waste.

2. Do you know what CFC ____?

There’s been a ____ in Germany and a village was completely destroyed.

Dinosaurs have been ____ for millions of years.

During the last hundred years we have done great ____ to the environment

As town grow, they tend to destroy the surrounding ____ areas.

There are lots of things we can all do to ____ the environment.

. The government is introducing strict new rules on the dumping of ____ by industry.

Environmentalists are furious with the American Government for delaying measures which will reduce greenhouse gas ____.

The gradual rise in the Earth's temperature is known as ____.