Our exclusive interview with Bertrand Piccard was undoubtedly one of the highlights of the past 12 months.

Our Editor, Iain Robertson, spoke with Bertrand ahead of COP23 about the World Alliance for Efficient Solutions (World Alliance), which will show international leaders – over the next year – 1000 solutions that already exist to ‘divide carbon emissions by 2’.

We’ll be following this story throughout 2018.