Comment from Theodore Khoury, Cameron Professor of Strategy, Sustainability and Entrepreneurship, Portland State University

Comment from Max Neufeind and Christoph Priesmeier, advisers at the German Federal Ministry of Finance (writing in a personal capacity)

Comment from Scott Lenet, co-founder and president, Touchdown Ventures

Comment from Sabrina Howell, Josh Lerner, Ramana Nanda, Richard Townsend

Comment from Dominic Hofstetter, director of capital and investment, Climate-KIC

Comment from Rita Costa Waite, head of payments business development and innovation, Millennium bcp

Comment from Alex Lazarow, venture capitalist, Cathay Innovation

Comment from Jonathan Cardenas, transatlantic technology law forum fellow, Stanford Law School

Comment from Andrea Course, venture principal, Shell

Comment from Angela McKane, director of technology intelligence at BP