You love your Yoga practice, but do you ever wonder what sort of effect your mat is having on the environment? Many Yoga mats are made from polyvinyl chloride (PVC), which is an environmental toxin that won't biodegrade. But don't despair — more and more companies are offering eco-friendly Yoga mats that are alternatives to the old PVC models. Some are made with jute, such as Gaiam's mat above, while other companies carry mats made with natural, dried grass. Wai Lana also has an Enviromat that's made of biodegradable materials and available in 2 thicknesses. If you want an environmentally friendly Yoga mat, you have lots of choices these days, thanks to the awareness of the Yoga community!