evidence: The link between population and climate change is broken. In both China and the U.S. — the top two emitters of greenhouse emissions — the average woman gives birth to 1.6 children in her lifetime, below the 2.1 children needed to replace herself and her partner. [...] Jade S. Sasser is an associate professor of Gender and Sexuality Studies at UC Riverside. She is the author of "On Infertile Ground: Population Control and Women’s Rights in the Era of Climate Change."