Next time, let her speak - and rouse the old guys from negotiating business as usual - first.
"It always seems impossible, until it's done."
"You've been negotiating all my life; in that time you've failed to meet pledges, you've missed targets, and you've broken promises. ...
Long term thinking is not radical - what's radical is to completely alter the planet's climate, to betray the future of my generation, and to condemn millions to death by climate change. What's radical is to write off the fact that change is within our reach."