from the article: The single best step toward avoiding a collapse, Ehrlich said, is to give total equality to women around the world. "This will allow us to include more of their brainpower to help solve these problems," he said. "And studies have shown that when women are given full rights, they have fewer children, which will help slow birth rates. We also need to give every sexually active human free access to modern contraception and emergency abortion."
"One of the saddest things is that the scientific community has described, in detail, the environmental factors leading to the collapse for quite some time, but society has not reacted," Ehrlich said. ... You can't negotiate with nature."