The almost century-old seawall lining the banks of the Hudson River along its path through Troy, N.Y., was in need of repair after sustaining damage during Hurricane Irene. 

Bigger isn’t always better when it comes to sustainable infrastructure.

While the saga of the tunnel-boring machine dubbed “Bertha” has dominated headlines, another controversial but crucial project is progressing right next to the Alaskan Way Viaduct replacement work.