1. We will plant more trees. The air will be fresher. If we plant more trees, the air will be fresher

. 2. We will use fewer cars. We will reduce pollution. If we use fewer cars, we will reduce pollution

. 3. We will cycle to school every day. We will keep fitter. If we cycle to school every day, we will keep fitter.

4. We will use recycled products. We will save money. If we use recycled products, we will save money.

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