'The future of the Green Deal lies at the core of this election' lead IPCC author tells FRANCE24 Professor François Gemmene, lead author for the Intergovernmental Panel on Climate Change, tells FRANCE24's Tom Burges Watson that 'the reason why the environment appears a little bit absent from the campaign is that it conveys a lot of bad news and the Green Deal, which appeared as a key political project five years ago, now seems to be perceived as a constraint'. He adds that 'the Commission needs to do a much better job of marketing the Green Deal'.