If you want to make new curtains, you need to _________ the windows carefully to see how much fabric you will need.

Tony is finally going to take action to reduce his carbon _________ by replacing his oversized pick-up truck with a fuel- efficient Smart Car.

We are rapidly using up our supply of coal and oil, which means our continuing dependence on these fossil fuels is not __________-.

Studying for exams is his number-one ________ right now; nothing else is as important.

Research suggests that cancer is more _________ in people who have been exposed to radiation.

If illegal hunting is not controlled, it will _________ the elephant population here.

Mice and rabbits are known to be ___________ animals that reproduce very quickly.

Homeowners can _______ energy by shutting off appliances when they are not in use.

Overfishing in the Mediterranean has resulted in seriously __________ fish stocks, causing great hardship for traditional fishermen.

The Maoris are the ____________ people of New Zealand.

Dumping industrial waste into a lake or river will ________ it and may kill off the fish and other wildlife.

_____________ in the Amazon basin has endangered hundreds of species in the area.

Is there a recycling center in the area where I can ___________ of my old newspapers?

The Smiths have achieved a fair amount of ____________ by growing vegetables in their garden and generating their own electricity with the help of solar panels.

Traffic had to be ______ onto secondary roads until a 10-car accident on the highway was cleared.

Some people say that too much make-up ___________ from, rather than improves, a woman’s appearance.

Plant waste ___________ relatively quickly, while plastic may take hundreds of years.

It’s hard to understand why some governments resist _________ clean energy sources like solar and wind power.