Rohit T. "Rit" Aggarwala[1] is an Indian-American environmental policy adviser, transportation planner, historian, and civil servant who is New York City’s Chief Climate Officer as well as the Commissioner of the New York City Department of Environmental Protection.

[4] Aggarwala began his career in Federal Railroad Administration and worked for McKinsey & Company, New York State Assembly, Virginia Railway Express, prior to joining public service.

[9] He was president of the board of directors of the C40 Cities Climate Leadership Group and was a member of the founding team of Sidewalk Labs, where he served as chief policy officer,[10][11] head of urban systems, and remained a senior advisor.

[19][20][21] He is also an adjunct associate professor at the School of International and Public Affairs, Columbia University, where he teaches urban policy.

[1] In January 2022, he was tapped by Mayor Eric Adams to serve as chief climate officer and commissioner of the New York City Department of Environmental Protection.