Hot air is less dense than cold air meaning planes have less lift when the mercury rises. “This is a physical restriction related to air density, and there are not a whole lot of direct technological fixes for it,” says Ethan Coffel, assistant professor of geography and the environment.
"There are three primary effects [of climate change on flying]: a reduction in payload capacity for some flights because of rising temperatures, an increase in clear air turbulence on some flight routes, and changes in fuel consumption on some routes due to changes in upper level wind speeds," says Ethan Coffel, assistant professor of geography and the environment.
Derek Ehrnschwender, Saba Siddiki, Sanya Carley, Sean Nicholson-Crotty
"Exploring factors shaping transportation electrification in American cities," co-authored by Saba Siddiki, associate professor of public administration and international affairs, was published in Renewable and Sustainable Energy Transition.
"What all of this adds up to is a really complicated rewiring of activity patterns where people who live in the hinterland have greater choice as to which big city they gravitate toward for employment/shopping/sports-team fandom, where they can more easily travel to the big city they find most appealing," says Anne Mosher, associate professor of geography and the environment.
Brian Taylor, professor of political science, discusses the war’s progress, the state of the Russian economy, Russian attacks on Ukrainian infrastructure, Vladimir Putin’s view of Ukrainian sovereignty and other topics.
Professor Shana Kushner Gadarian says that the federal government must ensure that a community's residents understand that the infrastructure improvements came from Washington and not locally or from the state.
In his new book, “The Platform Economy and the Smart City: Technology and the Transformation of Urban Policy” (McGill-Queen’s University Press, 2021), Maxwell School faculty member Austin Zwick explores the intersection between urban planning and technological change.
As Congress continues to negotiate an infrastructure bill, the role of public-private partnerships are key in the bill’s provisions. With the success of Operation Warp Speed in the development of the COVID-19 vaccines, a new look at such partnerships is due. Dean David M. Van Slyke discusses paths to innovation and cooperation on the GovExec Daily podcast episode, "The Import and Impact of Public-Private Partnerships."