Greening up your space is not only one of the most important things you can do for the environment; it’s also one of the most important things you can do to save money. But what can you do when you don’t own your property? Surely slapping on solar panels and investing in electronic smart house upgrades can’t be done on your rental! Don’t despair. Renting green in 2013 is not only doable, it’s affordable! Here are three ways to start…