As governments and development finance institutions scale up delivery of climate finance commitments, the question of how to measure and ensure additionality becomes increasingly important.

As 2015 draws to a close, there is a strong hope that the Paris Climate Summit could represent a turning point in the global fight against climate change.

In December 2015, countries will gather in Paris to finalize a new global agreement to tackle climate change. Decisions about how to unlock finance in support of developing countries’ low-carbon and climate-resilient development will be a central part of the talks.