December 15, 2025 R. R. L. Clewlow, J. M. Sussman and H. Balakrishnan. “Interaction of High-Speed Rail and Aviation: Exploring Air-Rail Connectivity,” Transportation Research Record: Journal of the Transportation Research Board. Share this Related Stories See all news Committee co-chaired by Prof. Dava Newman issues a new roadmap for human missions to Mars When companies “go green,” air quality impacts can vary dramatically See all news