Supplementary Information


GOAL 13


SDGs


Take urgent action to combat climate


change and its impacts, taking note of agreements made by the UNFCCC forum


Main targets


13.2 integrate climate change measures into national policies, strategies, and planning


Scenario 1: Economy prevails


Assumes no dramatic changes in policies even taking account of broad policy commitments and plans that have been announced by countries, including national pledges to reduce greenhouse gas emissions and plans to phase out fossil energy subsidies, even if the measures to implement these commitments have yet to be identified.


Scenario 2: Policy trade-offs


The 2°C scenario. (2DS) is the focus. The 2DS describes an energy system consistent with an emissions trajectory that recent climate science research indicates would give an 80 per cent chance of limiting average global temperature increase to 2°C. It sets the target of cutting energy- related carbon dioxide emissions by more than half in 2050, compared with 2009, and ensuring that they continue to fall thereafter. Importantly, 2DS acknowledges that transforming the energy sector is vital, but not the sole solution: the goal can only be achieved provided that carbon dioxide and other greenhouse gas emissions from non-energy sectors are also reduced. The 2DS is broadly consistent with the World Energy Outlook 450 Outlook through 2035.


Scenario 3: Towards a sustainability agenda


Sets out an energy pathway consistent with the goal of limiting the global increase in temperature to 2°C by limiting concentrations of greenhouse gases in the atmosphere to around 450 parts per million of carbon dioxide equivalent.


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