Speech Clouds: Obama vs. Obama on Climate Change

President Obama gave a speech at the Massachusetts Institute of Technology on Friday "challenging Americans to lead the global economy in clean energy." Once again, thanks to the magic of Wordle, I pushed it through their cloud generator and got this:

And then I thought it would be cool to compare it to the President's speech to the UN a while back:

It's interesting to me how the themes shift when the audience is different. Seems "climate" wasn't mentioned in Cambridge at all, and "jobs" didn't seem to get much mention at the UN.