Builders aren’t the only ones working sustainable policies into their everyday activities. Cities are also taking part, with creative approaches to eco-challenges ranging from greenhouse gas reduction to building code enforcement. Here are three cities—one small, one mid-sized, one large—that have taken steps to promote sustainability with exceptional organization and passion.

Small Municipality Winner: Wellington, Fla., Wellington Environmental Preserve

The Village of Wellington is deeply committed to improving sustainability and quality of life for its residents. In 2012 and 2017, Wellington obtained a Gold Standard certification from the Florida Green Building Coalition for its sustainability practices. Since then, sustainability efforts have only increased.