“China says its one-child policy has helped the fight against
global warming by avoiding 300 million births, the equivalent of the
population of the United States.”
—
“But avoiding 300 million births "means we averted 1.3 billion
tonnes of carbon dioxide in 2005" based on average world per capital
emissions of 4.2 tonnes, he said.
“A country emitting 1.3 billion tonnes a year would rank just
ahead of Germany on a global list of emitters behind only the United
States, China, Russia, India and Japan.”
—
“[...] world population is projected to soar to about 9 billion
by 2050 from 6.6 billion now.”
