We will not be able to combat deforestation unless we start planting more trees., If we use public transportation more, we can reduce air pollution., If we continue to pollute the ocean, marine life will suffer., Unless we reduce greenhouse gas emissions, climate change will continue to accelerate., What will happen if we do not reduce our carbon footprint?, Unless we take action, climate change will continue to worsen., Will marine life suffer if we continue to pollute the oceans?, Marine life will suffer unless we stop polluting the oceans.,

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