The green revolution won’t be cheap, but there is enough money to make it happen - if it goes to the right places. What role can finance play in steering economies towards a low-carbon future? Elemental Excelerator’s Dawn Lippert tells us why Hawaii is the best place to help climate start-ups find funding. Tariq Fancy, who ran sustainable investments for Blackrock, asks whether environmental investing makes any difference at all.  Hosted by Vijay Vaitheeswaran, The Economist’s global energy and climate innovation editor, with environment editor Catherine Brahic, and Oliver Morton, our briefings editor.   For full access to print, digital and audio editions as well as exclusive live events, subscribe to The Economist at economist.com/climatepod and you can sign up to our fortnightly climate newsletter at economist.com/theclimateissue.   See acast.com/privacy for privacy and opt-out information.