Environment. Conditionals

We ___ (not miss) the film yesterday if we ___ (know) it was about endangered animals of our country.

If people ___ (start) using low-energy bulbs instead of usual ones, they ___ (help) to reverse the effects of greenhouse gases.

If you ___ (know) your favourite animal was in danger of extinction, what ___ (you do)?

If diving ___ (forbid) some years ago, coral reefs ___ (be) in a much better state now.

If first settlers ___ (not bring) cats and dogs to America, the dodo ___ (survive).

The ecological situation ___ (be) much better now if people ___ (start) recycling earlier.

If hunting ___ (forbid), a lot of animals ___ (not be) extinct nowadays.

The captain ___ (arrest) in the port if he ___ (not dump) rubbish in the ocean.

The problem of deforestation ___ (not be) so serious if people ___ (recycle) all waste paper.

If the melting of the ice caps___ (continue), the planet ___ (flood).

If scientists ___ (can predict) earthquakes, there ___ (not be) so many victims.