--no attribution and no sourcing of the data?
Reading is fundamental.
Let me be more specific. Who drew the graph, what data did they use, etc. We already know they looked at one output measure, only. We also know it's for the U.S. only, and we know the time frame.
We also know the U.S. manufacturing output declined due to the recession, and that states, like California are doing what they can to help reduce greenhouse gas emissions. We know that coal is down and natural gas usage is up (in the charts below) and that's helping.
What you should have posted was a graph like these (keeping in mind, as Joe already indicated, are only for U.S. Energy-related carbon dioxide emissions:
Which is unrelated to the point that was made, or how this is one planet and what's happening to CO2 levels on a global scale. That's why I posted the Scipps data, and sourcing. Or if you prefer: