Overconsumption, not overpopulation, drives climate change. A projected decline in fertility could see the world's population peak in just four decades, with Japan and Spain halving in size.
The number of people on the planet growing. According to projections, it could reach 11 billion by 2100. With awareness-raising campaigns and family planning, we could help put the brakes on population growth.
A new theory, from bottleneck to breakthrough, posits that urbanization, falling fertility and the end of extreme poverty could result in a much greener world than the one we inherited.
