In 2012, Bill McKibben began his “Do the Math” tour in Seattle. This was a talk that McKibben took on the road to spread the idea that humans are trying to extract more fossil fuels than we can safely burn – that is, more than we can burn while staying within a safe temperature on the planet. In other words, our burning of fossil fuels is creating greenhouse gasses in quantities that exceed the limits that we can live with.
On Limits (May 2016)