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.
Gary BauerRelated topics
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Low-cost, high-grade coal, oil and natural gas - the backbone of the Industrial Revolution - will be a distant memory by 2050. Much higher-cost remnants will still be available, but they will not be able to drive our growth, our population and, most critically, our food supply as before.
Jeremy Grantham
We need to remind ourselves that our ultimate goal is not to reduce greenhouse gases or global warming per se but to improve the quality of life and the environment. We all want to leave the planet in decent shape for our kids. Radically reducing greenhouse gas emissions is not necessarily the best way to achieve that.
Thomas P.M. Barnett
Today we're living in an era in which the biggest threat to human well-being, to other species and to the Earth as we know it might well be ourselves. The issue of population size is always controversial because it touches on the most personal decisions we make, but we ignore it at our peril. m0s50-m1-13.
David Attenborough