Negotiators at the UN climate talks in Poland are facing the final day with many issues undecided. Click here to read the full story.
Former Maldives president Mohamed Nasheed said there would be "hell to pay" if countries failed to take significant steps.
Countries are struggling to complete the complex "rulebook" of the Paris climate agreement but they are also under pressure to boost their promises to cut carbon.
Mohamed Nasheed said, "It's just madness for us to allow global CO2 levels (in the atmosphere) to go beyond 450 parts per million, and temperatures to shoot past 1.5 degrees."
"That can still be prevented. If we come together on the basis of the emergency facing us, we can do it. Every country at this summit will have hell to pay if we don't."
For more information on how you can do you bit to help with climate change, click here for the BBC guide, Climate Crisis - How can I help? Advice includes thinking about your modes of transportation - transport has a major effect on global emissions, so walking, cycling or taking public transport can help reduce them - and if you have to drive, look at the use of electric cars.
For more information on renting low emission and electric cars with Green Motion visit www.greenmotion.com
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