Der Spiegel devoted a recent issue of their magazine to the subject of climate change and, in the process, posed the question of whether capitalism is responsible. One look at the chart below from the lead story would suggest an affirmative response.
This is, of course, another case of attempting to find a single root cause where there may, in fact, be many contributing factors, a point that is fleshed out in this comment:
Ironically, both Adam Smith and Karl Marx wrote that capitalism must be controlled and regulated by governments because a system dedicated solely to the amassing of wealth would destroy itself. Unchecked capitalism, as evidenced by global warming, provides an example.