Environmental impact is at the forefront of every National Development project. We have paved the way for innovation in sustainability throughout the years across many asset types. Working with federal, state and city agencies, National Development was the catalyst for a series of public-private partnerships involved in environmental remediation. National Development. We were awarded the Commonwealth’s first Smart Growth Development Award, and developed the first LEED Gold-certified apartment community in Massachusetts. Through the years, we have made multiple sustainability-based upgrades to our buildings including replacing all fluorescent fixtures with LED lighting, installing well-irrigation, and implementing single-stream recycling. Today, we are committed to designing all new buildings to a minimum LEED Silver standard, with life-science buildings built to a LEED Gold standard.