What we learned this week

The British Library has installed the country’s biggest solar heat project, with panels providing hot water and heating to their iconic building in central London.

On the subject of solar, Octopus continue their steady string of energy innovations with a pioneering form of philanthropy. Under their new scheme, people with solar panels will be able to donate their surplus to those living in energy poverty instead of selling it to the grid.

The government has confirmed that it will ban sin...