Thomas R. Casten is an American businessman, author, and activist known for his work on industrial energy recycling.
[6] Casten has said his goal is to combat global warming in a profitable way, reducing greenhouse gas emissions and energy costs at the same time.
[7] Casten has served as president of the International District Energy Association and co-founder and chairman of the World Alliance for Decentralized Energy, which are trade associations that promote combined heat and power, district heating, and other forms of distributed generation.
[6] Casten is the author of Turning Off the Heat: Why America Must Double Energy Efficiency to Save Money and Reduce Global Warming.
[13] His work on energy recycling received profiles in Forbes,[14] Smithsonian,[7] Nature,[15] US News,[16] The Atlantic,[17] Orian,[18] and National Public Radio.