Ban Ki Moon, Secretary-General of the United Nations, talks about the challenges of climate change.
Kriton Arsenis, MEP, Group of the Progressive Alliance of Socialists and Democrats, responds to a question on climate.
Ska Keller, MEP and Green Party's leading candidate for EU elections, comments on the Commission’s new 2030 climate and energy package.
Jaroslav Neverovic, Lithuanian Minister for Energy commenting on an ideal energy mix.
Yvo de Boer, Executive Secretary of the United Nations Framework Convention on Climate Change (2006-2010), commenting on climate and energy targets for 2030.
Gérard Mestrallet, GDF Suez CEO, commenting on climate and energy targets for 2030 and on reconciling climate ambitions with industrial competitiveness.
Patrick Graichen, Deputy Director of the think tank Agora Energiewende, commenting on the impact of German Energiewende on consumers, business, neighbouring markets and the EU's goal of a single energy market.
Steve Levine, Author of 'The Oil and the Glory" and Washington Correspondent for Quartz, commenting on the US shale gas revolution and on reconciling climate ambitions with industrial competitiveness.