Originally built in 1967, the Ken Soble Tower, an 18-story, 80,000-sq-ft-affordable housing facility for seniors in Hamilton, Ontario, provides a notable example of how aging buildings can be retrofitted to meet modern decarbonization goals.

This 4-sq-mile trade hub in Doha, Qatar for local and international business was built to meet strict sustainability guidelines geared for the Middle East climate but faced a multi-year blockade by nearby countries on material imports.

Recreating the benefits of a natural shoreline is more complicated than it seems, but the Iowa Court and South Green Living Shoreline Project in Little Egg Harbor and Tuckerton, N.J., used innovative techniques to install new features to restore damage from Hurricane Sandy and protect from future storms.

Constructed with sustainable and local materials, the new global headquarters in Brooklyn of e-commece vendor Etsy was built with work-life balance in mind.

The updated facility is projected to have more than a 70% decrease in energy use on a per-square-foot basis compared to the older facility.

The upgrades program is projected to save $392,000 in annual utility and operational costs.