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This is Generation 1, the climate podcast from University College London.

Bringing groundbreaking research from the front lines of climate science, we tackle climate action

in all its forms, from policy and activism to AI and urban planning.

I am a tech optimist. I am optimistic that it will help us solve some of the challenges, especially related to climate change.

UCL's Generation 1, turning climate science into action. Subscribe now to UCL Generation 1 on your favorite podcast platform.

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Thank you. And I'm not to saying that because I work here. Get started today at banta.com. On the podcast this week, we're looking at the rise and future fall of the human population,

as countries across the world report declining fertility rates.

We heard in episode one about some of the theories behind why women are having fewer children

and how governments have tried to counter the trend.

What demographers find is that at the most, they might change the timing of when people have

children. So if you're thinking about having a child anyway, and then the government institutes a scheme where you would get cash, you and your family

might decide, let's go ahead and do that now. But it does not seem to overall raise the number

of children someone has in their lifetime significantly.

Aging and shrinking populations are a big concern to many policymakers.

...