If we ____ plastic use, we ____ (90%) see cleaner oceans. If she ____ more trees, the air ____ (60%) become fresher. If they ____ ____ carbon emissions, global temperatures ____ (40%) rise faster. If we ____ less, waste ____ (20%) increase. If companies ____ ____ waste, pollution levels ____ (40%) increase. If he ____ less water, it ____ (90%) ____ conserve resources.

environment- first conditional modals

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