The UN is leading calls for an end to fossil fuel use, but lobbying for gas has been a feature of this African COP, and there have been warnings that new gas and other fossil fuel projects are underway in many developing countries.

On Energy Day, there were stark reminders of the urgent need to reduce greenhouse gas emissions, but also signs that the world is moving in the right direction when it comes to renewable energy.

Conor and Laura sniff out the gas story, and speak to energy experts about the prospects for a clean energy future, based on renewable energy sources.