The world ... but not as we know it
Can you imagine a world in the near future where sea levels have risen so much that large parts of Britain are permanently under water? Climate change experts warn this could be a reality and have launched an awareness campaign ahead of today's UN summit in New York.
We take a look at future weather broadcasts from around the world and what they could be like in 2050 and are joined by Tom Mitchell, head of climate change at the Overseas Development institute.