To ignore population as a central issue while talking about sprawl, air and water pollution, loss of biodiversity, agricultural land and animal habitat, global warming and many other crucial environmental issues - is to deny reality. Yet it's one that the green movement ignores for fear of alienating a public that may associate family planning with abortion or see attempts to curb immigration as racist, but the numbers of people added to the planet each year roll back any progress made by conservation measures. As is the nature of unchecked growth, the momentum accelerated and the world went from 5 billion people to 6 billion in only 12 short years. The balance of nature has been drastically upset and the environment is already paying the price.
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