The future of our climate is uncertain. We will see regional changes in weather patterns and global rises in sea-level, for example — but to an extent that depends on how much the world warms.

Nature special: 2015 Paris climate talks

As negotiators at the UN climate talks in Paris prepare to agree a unified strategy to slow climate change, reporter Adam Levy investigates some of the predicted effects of rising temperatures, and what we can expect if nations fail to act.

Next video: Paris climate talks: the 2 °C limit