Environmental health wasn’t always part of the public health portfolio but in recent years “science caught up to the obvious.” Dr. Howard Frumkin, former head of Environmental Health Operations at the CDC and currently senior vice president at Trust for Public Land, talks with Shelley Hearne about the evidence base behind environmental impacts on our health, the political and cultural changes required for the CDC to adopt programs around climate and environment, and why hope for tackling climate change is not only a worthy strategy, there’s empirical evidence behind it.