Jeremy Rifkin spoke for one hour without using his brief notes, and it was really an inspiring peptalk.

I made a few notes: The 3 main sources of GHG (grenhouse gases) are buildings, agriculture and transport, and they should all be addressed seriously.

It seems as the global warming is worse than recently estimated and it is now absolutely urgent to take action. A maximum warming of 2º is difficult to obtain, however vital - 6º means the end of civilization.