Vote now

Cast your vote now for the challenge you want to win the £10 million prize fund and become Longitude Prize 2014.

How to vote online

Visit the BBC Horizon website to cast your vote now.

You will need a BBC ID to vote. This is a simple and quick process – you only need an email and a password. Follow the on screen instructions once you have chosen the challenge you want to vote for.

How to vote by text

If you prefer to vote by SMS, text your chosen keyword to 60011

  • To vote for antibiotic resistance text ANTIBIOTICS
  • For sustainable nutrition text FOOD
  • For dementia care text DEMENTIA
  • For restoring mobility text PARALYSIS
  • For fresh water text WATER
  • For zero-carbon flight text FLIGHT

Texts will be charged at your standard rate, and are limited to three votes per mobile phone number. Please seek the bill-payer’s permission before voting.

Full terms and conditions about voting can be found on the BBC Horizon website.

Voting will close at 7.10pm on the 25th June, with the result announced live on BBC The One Show that night.