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Sir Martin Rees

Sir Martin Rees, one of the world's leading astrophysicists, says the next century will determine humanity's long term destiny - so, are the prospects good or grim?

How do we decide what's important? How do we balance the personal priorities of the here and now, with the big picture challenges that will determine the future of human civilisation. Sir Martin Rees is used to considering the biggest of canvases as one of the world's leading astrophysicists but recently he's been gazing into the future of our own planet. The next century he says will determine humanity's long term destiny - so, are the prospects good or grim?

30 minutes

Last on

Tue 18 Dec 201818:30GMT
BBC News except UK & UK HD

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Clip

Credits

PresenterStephen Sackur
Interviewed GuestMartin Rees

Broadcasts

  • Fri 7 Dec 201804:30GMT
    BBC News except UK & UK HD
  • Fri 7 Dec 201809:30GMT
    BBC News except UK & UK HD
  • Fri 7 Dec 201818:30GMT
    BBC News except UK & UK HD
  • Sat 8 Dec 201804:30GMT
    BBC News Latin America & North America only
  • Sat 8 Dec 201807:30GMT
    BBC News except UK & UK HD
  • Tue 18 Dec 201804:30GMT
    BBC News except UK & UK HD
  • Tue 18 Dec 201809:30GMT
    BBC News except UK & UK HD
  • Tue 18 Dec 201815:30GMT
    BBC News except UK & UK HD
  • Tue 18 Dec 201818:30GMT
    BBC News except UK & UK HD