If we dump all sorts of Chemicals into rivers, we (a)   (not be) able to swim in them in the future.

Many wildlife habitats will be destroyed if people (a)   (keep) polluting the environment.

If we all use public transport more, we (a)   (help) reduce air pollution.

If we________ (not stop) over-fishing the oceans, many species________ (become) extinct.

(a)  

If everyone________ (recycle) paper, metal and glass, we ________ (not produce) so much rubbish.

(a)  

We________ (have) dirty seafood if we________ (dump) rubbish into the sea.

(a)  

If global warming________ (continue), temperatures________ (rise) even higher.

(a)  

If light pollution________ (keep) growing, you________ (not be) able to see even the Big Dipper at night.

(a)  

Complete the sentences with the verbs in brackets. Use conditional sentences type 2.

If people (a)   (not be) so careless, Earth wouldn’t be in danger.

The amount of waste (a)   (decrease) if people started to buy reusable packages.

Many fish wouldn’t die if factories (a)   (not dump) so many Chemicals into rivers and oceans.

If people stopped using cars completely, there (a)   (be) much less pollution.

If people (a)   (buy) more recycled paper, there wouldn’t be so much waste.

What ________ (happen) if the whole world________ (be) full of pollution?

(a)  

If people________ (pay) a little more attention to the environment, the Earth________ (be) greener.

(a)  

  If people no longer________ (pollute) the atmosphere, the air________ (soon become) clean again.

(a)  

We________ (threaten) our own existence if we________ (not cut down) the waste rapidly.

(a)  

If we________ (not bury) Chemical waste underground, we          ________ (not pollute) fresh water supplies.

(a)  

Pollution________ (not be) such an issue if governments and common people really ________ (care).

(a)