The Prime Minister, Gordon Brown, hosted a Summit for progressive leaders on Saturday 5 April 2008 at The Grove, a country house hotel close to London. Some twenty world leaders attended the Summit. Participants were united by a commitment to achieve more inclusive globalisation and working together to meet the challenges of the 21st century.

The Summit concluded with a joint communiqué and press conference.

Laurence Tubiana participated at the Summit on the climate change session.