Richard Crume, an environmental engineer by training, has worked for both corporate and governmental organisations in the energy and environmental fields for over 30 years. Additionally, he is an Adjunct Associate Professor at North Carolina A&T State University, where he teaches a graduate level course covering air pollution and climate change. Richard has written extensively on topics related to green buildings, sustainable energy, and waste management, and he is a member of the Board of Trustees for the Institute of Professional Environmental Practice. Additionally, he is a Certified Hazard Control Manager and Qualified Environmental Professional. Richard lives in Chapel Hill, North Carolina, USA.