By Mark Bjornsgaard Companies are already using wasted heat from data centres in innovative ways, but we need government to get on board, writes Mark Bjornsgaard Google’s recent announcement that it has started construction on a new £800m data centre in North London is a sign of things to come. Our societies and economies run on data that is stored and processed in data centres. New technologies such as artificial intelligence are only increasing demand. Yet, although we are all now familiar with terms such as artificial intelligence or ‘the cloud’, have we considered what they mean in practic…