Solar power is no longer just for eco warriors. Energy efficiency has become a status symbol, and 80% of US homeowners say it impacts their home-buying decision. Can SolarCity, with it’s easy-to-install panels, persuade people to invest in solar and save money whilst also saving the planet?

People are still confused by their energy bills, and with the ‘Big Six’ scoring 50% or less for customer satisfaction, there’s a distrust around the energy industry. Tempus promises to lower bills by managing your appliances, but will people allow an energy company to control their dishwasher?

Almost half of French people (47%) are concerned about the depletion of natural resources. To aid this issue, the government is ‘solarising’ over 600 miles of road in the next five years, laying solar panels over existing stretches to create 'eco highways' that can produce power for the country.

Despite being far better for the environment, sales of electric cars haven't picked up. But research suggests that by 2022, they could actually work out cheaper to buy and run than conventional vehicles. Could cutting the cost convince people to start saving the environment?