Oscar winner Cate Blanchett has stopped washing her hair in an effort to do her bit to save the environment and become a green example to her kids. The actress admits she has installed timers all around her home to restrict energy levels - and one is even on her shower head. Now she is no longer washing her hair, Blanchett has realised: "I only need to have a two minute shower." She adds: "I went to a website and my husband was laughing at me because a box arrived with 30 timers, and I thought: 'Excellent, stocking fillers!'" The...