On 4-15 June 2014, the June session of the Ad Hoc Working Group on the Durban Platform for Enhanced Action (ADP) took place from in Bonn, Germany. This was a follow-up to the two technical expert meetings (TEM) were held in March 2014 on on renewable energy deployment and energy efficiency improvements, which are critical for bridging the  pre-2020 ambition gap. Parties called for a follow-up meeting after these meetings to look at the progress reached since March and discuss the way forward up to Lima to enhance mitigation ambition.