James D. McCalley – The Conversation

Aging U.S. infrastructure: Rust on the underside of the Norwalk River Railroad Bridge, built in 1896 in Norwalk, Conn., and scheduled for replacement starting in 2022. AP Photo/Susan Haigh

November 8, 2021

Bridges, bike lanes, electric car chargers and more: 5 essential reads on the infrastructure bill

Jennifer Weeks, The Conversation

What will the US$1.2 trillion infrastructure bill pay for? Here are some of the things it will help build, fix or remove.

Lead in pipes can contaminate the water supply, resulting in poisoning. AP Photo/Julio Cortez

July 6, 2021

Fixing America’s crumbling physical – and human – infrastructure: 3 essential reads

Bryan Keogh, The Conversation

Three experts explain a few aspects of American infrastructure that desperately need investment.

The Los Angeles Department of Water and Power’s Pine Tree Wind Farm and Solar Power Plant in Tehachapi, Calif., 115 miles from LA. Irfan Khan / Los Angeles Times via Getty Images

April 5, 2021

The US needs a macrogrid to move electricity from areas that make it to areas that need it

James D. McCalley, Iowa State University

The US electricity grid is actually five regional grids, and it’s hard to share power between them. A macrogrid could bridge the gaps, making electricity cheaper and more reliable.

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