Our Planet May Be Barreling Toward a Tipping Point
When we\u2019re talking about social justice, a tipping point is a beautiful thing\u2014a court case that shifts public opinion, for example. For a species, a tipping point can spell doom, as an environmental catastrophe pushes a population to the brink. When it comes to climate change, there isn\u2019t just one tipping point but many that scientists are increasingly pulling into view.