Barack Obama

And I said, well, you know what?

It's true that we probably will blow through

this target because it's really hard for humans.

It's never been done before to completely re-engineer our energy sources in one generation.

And there's greed and profit motives and just getting people organized and legacy systems.

It's hard, but actually we're making some progress.

I said,

You know, if we're able to stop the increase at 2.5 instead of 3, there will still be a lot of disruptions and flooding and drought and wildfires and some bad stuff will happen.

But you know what?

That half a centigrade difference –

That could make a difference in a billion people's lives.

Right, totally.

And so I told her, I said, you tell your friends, well, that's worth working for.

Yeah.

It doesn't mean that we won't have some really serious problems because of climate change.

But that's the reality.

But that's the reality.

But you know what?

That half percent difference, that could be entire coastal villages.

It could be –