Achieving the Paris Agreement long-term temperature goal requires closing the ambition and action gap. G20 countries have a crucial role to play in realising increased climate policy ambition. Synthetic electro fuels (e-fuels) were identified as one of the key policy areas and promising options...

A broad range of mitigation options have been identified and assessed in the literature that enable countries to close the existing gap between 2030 emission projections resulting from the aggregate efforts of countries to achieve their Nationally Determined Contributions to the Paris Agreement...

Multilateral cooperation initiatives (or “climate clubs”) can generate some of the additional action that is needed to achieve the goals agreed in the Paris Agreement. An analysis of the state of collaboration in the four policy areas energy transition, synthetic fuels, food systems and...

Achieving the Paris Agreement long-term temperature goal requires efforts for rapidly reducing GHG emissions while also increasing CO2 removals by sinks. G20 countries have a crucial role to play in increasing climate policy ambition. Land use change contributes 15 % of current global...

To date, processes to implement the global Sustainable Development Goals (SDGs) and international climate change mitigation and adaptation obligations are largely disconnected in most countries. This creates administrative overlaps, costs and hampers the development of effective problem...

The international community is negotiating a new global climate agreement to be applicable from 2020 onwards. Parties aim at signing the agreement in December 2015, at the Conference of Parties (COP) in Paris. Until then, countries are already preparing proposals for their individual...

International aviation is responsible for between 2.5% and 3% of anthropogenic carbon dioxide (CO2) emissions that are partly held responsible for climate change. International aviation is not subject to any regulatory framework for the limitation of these emissions. From an economic point of...