Our friends on the square are no newbies to going green. In Walford’s Green Week, we saw the cast explore the many actions we can take to participate in saving the world. First with Lily Branning passionately demanding milk bottle caps for a school recycling programme and then Moe talking the council into giving her money for “wall and loft insultation”… apparently. Meanwhile, people like Masood Ahmed were way ahead of the curve, developing ways to turn cooking oil into car fuel.