Thomas Schell is an American economist known for his contributions to the fields of game theory and environmental economics. He was awarded the Nobel Prize in Economic Sciences in 2005 for his work on the economics of climate change and the importance of intergenerational equity. His research emphasizes the need for sustainable policies that consider the long-term impacts of economic decisions. Schell is also recognized for his role in developing the concept of social cost and its implications for public policy. His ideas have influenced discussions on how to address issues like pollution and resource management, highlighting the balance between economic growth and environmental protection.