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Gribbin's April 12 departure isn't expected to affect long odds of passing a big infrastructure package this year.

Pumped-storage hydroelectricity, a mature technology first developed in the 1890s, is playing an increasingly important role in the current era as wind and solar power advance. ENR takes a look at some of the largest pumped-storage facilities in the world.

Structural innovator calls on industry leaders to create a funding collective for public-domain research to speed advancement in the built environment

The steel sector is so excited about structural engineer Ron Klemencic’s composite steel superstructure, expected to speed office tower construction, that at least three steel fabricators are studying it, many months before erection is set to begin on Seattle’s 850-ft-tall “proof of concept.”

Structural engineer Ron Klemencic remembers May 2, 2011, as the “most devastating day” of his career.

As ENR’s 53rd Award of Excellence winner Ron Klemencic tells it, he answered the phone on Thursday, Sept. 13, 2001, two days after the 9/11 terrorist attacks, and heard someone saying, “What are you going to do? This is Nadine Post from ENR. You’re the chairman of the tall buildings council. What are you going to do?”