Perspectives for the energy transition: Investment needs for a low-carbon energy system

20th March 2017

This joint study looks at the potential for decarbonisation in the energy sector in G20 countries and around the world and the economic and social benefits that can be developed as a result.

Decarbonisation of the energy sector requires urgent action on a global scale. Around two thirds of global greenhouse gas emissions can be attributed to fossil fuel energy supply and use. Carbon emissions must be reduced considerably faster to mitigate the effects of climate change.

To meet the climate goals set in the Paris Agreement and keep the global temperature rise to below 2 degrees, the carbon-dioxide (CO2) emission intensity of the global economy would need to be reduced by 85% in 35 years. This means reducing energy CO2 emissions by 2.6% per year on average, or 0.6 gigatonnes (Gt) per year in absolute terms.

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