Sustainability Glass has a major part to play in society's efforts to reduce greenhouse gas emissions and to mitigate the effects of climate change.We aim to be the global leader in innovative high-performance glass and glazing solutions, contributing to energy conservation and generation, working safely and ethically. Featured Products & Services Downloads NSG Sustainability Data Book 2018 Achieving BREEAM with glazing Achieving LEED with glazing Achieving CSH with glazing Frequently Asked Questions about Sustainability NSG Group Sustainability website ISO 14001 Information Green Approach Video Green approach to business Sustainability Video Our commitment to Sustainability Sustainability FAQs