President Obama to Speak on Sustainability at MIT — Watch Live

On October 23, President Barack Obama will deliver at MIT "an address about American leadership on clean energy." This blog will cover the talk, of course, and you can watch it live, October 23 at noon. If there is any problem with the stream, as there sometimes are with live events, MIT World will post a video by 3 p.m.

While you're waiting for Obama's address on sustainability to start, read our special report on the business of sustainability.