Zero and first conditional environmental issues

1. If we ______ (reduce) our use of plastic, we ______ (help) decrease ocean pollution.

• a) reduce / help

• b) reduced / helped

• reducing / helping

If you ______ (recycle) regularly, you ______ (reduce) the amount of waste in landfills.

• recycle/reduces

• recycled / reduce

• recycles / reducing

• recycle / will reduce

If we ______ (plant) more trees, we ______ (combat) deforestation.

If factories ______ (release) toxic gases, it ______ (pollute) the air.

• released / pollutes

• releasing / polluting

• release / pollutes

If the temperature ______ (rise), polar ice caps ______ (melt).

If people ______ (not conserve) water, we ______ (face) severe shortages in the future.

• don’t conserve / will face

• not conserving / facing

• didn’t conserve / will facing

If we ______ (use) public transport more often, we ______ (reduce) carbon emissions.

• used / reduce

• use / will reduce

• using / will reducing

If animals ______ (lose) their habitats, they ______ (become) endangered.

• losing / becoming

• lose / becoming

• lose / will become

If we ______ (switch) to renewable energy, we ______ (slow) down climate change.

• switch / will slow

• switched / slowing

• switching / slow

If we ______ (throw) trash in the ocean, marine life ______ (suffer).

• throwing / suffering

• throw / will suffer

• throws / will suffering