A global study of 4,000 smartphone users across the USA, UK, Spain, South Korea and Mexico found that many are already using their phone in a way that helps cut their personal carbon emissions, with high levels of willingness expressed to adopt behaviours that could result in even more substantial future reductions.

View the infographic of how mobile communications technology is enabling carbon emissions reduction.

Polluters very rarely offer to pay for cleaning up the pollution they cause. Lessons from history tell us that when there are private profits and public costs it usually takes an intervention from government to put a price on externalities.

The Paris Agreement is also the first global agreement on climate change that involves contributions to act by all countries – resulting in a tapestry of measures that will place countries well down the path towards a low carbon economy. This article is written as part of the COP21 Blog Series.

Making a business plan for zero carbon: Latest news, viewpoints and events from the Carbon Trust

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