With a Master’s in Environment & Resource Studies, Maureen O'Neill is an environmental consultant for EcoSmart Products, the North American distributor of AusPen eco-friendly dry-erase markers. Maureen writes on various health and environmental themes such as indoor air quality, waste management, green schools and corporate sustainability. Visit her blog at http://www.ecosmartworld.com or follow her on Twitter at http://twitter.com/ecosmartgals