ScienceDaily: With climate change already close to an irreversible tipping point, urgent action is needed to reduce not only our mean (carbon) footprints but also the "number of feet" -- that is, the growing population either already creating large footprints or aspiring to do so, argues a leading physician and environmentalist in The BMJ.
Yet John Guillebaud, Emeritus Professor of Family Planning and Reproductive Health at University College London, says most climate change discussions focus only on technology...