Natural Disasters. Conditionals I, II

Complete the sentences.

If we ... bicycles, we would have less air pollution.

If people recycled more paper, logging companies ... fewer trees.

If people .... more trees, they ... more oxygen

What would you do if the natural disaster ... ?

If people were educated about forest fires, fires ... forest

If he knew about the storm, he ... go outside.

What ... you do if you saw an avalanche?

People ... out of drinking water one day if they don't use it more rationally.

If people ... so careless, the Earth wouldn't be in danger.

If everybody continues to use aerosoles, the hole in the ozone layer ... bigger.

If people ... more recycled paper, there wouldn't be so much waste.

If we ... deforestation, we will endanger our oxygen supply.