Environmentalists have been outspoken in their support of smaller family size and abortion rights as keys to reducing global warming. But when it comes to immigration, the single biggest contributor to population growth in the industrial world, they stand largely silent.

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Humanity has overcome the food chain, and having surpassed all other predators, has now turned to a strange form of cannibalism: humanity preys upon itself. We cull our own herd. We murder our own children. This is what we call â€œprogressâ€.

— A.E. Samaan

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Immigration is one of the leading contributors to population growth.

— Paul Watson

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These studies each quantify, in a variety of ways, the risks we are already dealing with in the global warming that is clearly well under way.

Global Warming

Along with issues like global warming, I think a problem with the world today is population decline.

— Talulah Riley

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Global warming isn't a prediction. It is happening.

— James Hansen

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