We don't. If those who want to fight climate change don't understand that economic growth is not an option but a requirement, then it doesn't get fought. That

We don't. If those who want to fight climate change don't understand that economic growth is not an option but a requirement, then it doesn't get fought. That said 10% in a century isn't that hard -- think of the different standard of life between 1914 and 1996. Even 10% poorer in 1996 would still be effing amazing, and we would likely have more than that without two world wars and a Spanish flue (also why I shifted it 104 years back).