The first justification for abortion was a woman's right to choose, the next will be the impact on our planet and over-population. (APF news)
Population experts, meanwhile, called for more funding for family planning programs to help control the growth in the number of humans, especially in developing nations.
"For 20 years, there's been very little investment in family planning, but there's a return of interest now, partly because of the environmental factors like global warming and food prices," said Bongaarts.
"We want to minimize population growth, and the only viable way to do that is through more effective family planning," said Casterline.