Earth temperature timeline

The earth’s climate has changed before, but this amazing cartoon by XKCD offers a shocking reality check. Scroll down through the last 22,000 years and watch the gentle fluctuations of temperature. Spoiler alert: it doesn’t end well.

Our predecessors didn’t know how their actions would affect the planet. We do. We need to take “immediate, massive action to limit climate change.” Zero Carbon Buildings could play a big role in jogging us off our current path of self-destruction.