Using advanced modeling programs and existing evolutionary data, they determined that it would take 3 to 5 million years for the planet's biodiversity to recover from the widespread purge expected over the next 50 years and another 2 million years for biodiversity to return to levels seen prior to human life. Our living planet is incredibly resilient and can heal itself over time. The problem is that its self-healing systems are very, very slow. The Earth will be fine, but humans' problems are more immediate. People have damaged the systems that sustain us in many ways. We have polluted air and water, strewn plastic and other trash on land and in oceans and rivers, and destroyed habitats for plants and animals.
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