How do climate and vegetation affect life on Earth?

Plants provides oxygen, and plants need a comfortable climate to grow to their fullest potential. But because of the populations unsustainable practices (activities that cause pollution to the air, water and land), the climate has changed drastically. So drastic that the conditions are unsuitable for plant life. Without plants, the pace of climate change will only increase — as will desertification, soil erosion, flooding, and an increase of greenhouse gasses in the atmosphere.

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