Can We Actually Even Tell if Humans Are Affecting the Climate? What if we did nothing at all?
Essay by Charlie Martin
We know, with great certainty, that the overall average temperature of the Earth has warmed by several degreees in the last 400 years, since the end of the Little Ice Age. Before that was a period called the Medieval Warm Period; before that was another cold period, and back at the time of the Romans there was a long period that was significantly warmer — Southern Britain was a wine-growing region.