1) If we don't stop using plastic, ... 2) If the ice caps melt,... 3) If the world population continues growing,... 4) If the Earth temperature continues rising,  5) If we continue cutting trees, 6) If we don't prevent wildfires, 7) If the hole in the ozone layer gets bigger, 8) If we don't use public transport, 9) If we teach children to recycle,

First conditional

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