Reykjavík used to be marketed as a place of ‘pure energy’, run on geothermal power – and now Iceland’s capital is trying to become the world’s first carbon neutral city. Last month, Iceland became the one of the first countries to ratify the Paris climate deal with a unilateral parliamentary vote, shortly after Reykjavik announced its aim to be carbon neutral by 2040. It wants to reduce its greenhouse gas emissions from 2.8 tonnes per…