Source: Ksmith@dailyherald.com, Katlyn Smith. “Working toward ‘Net-Zero’ Status.” Daily Herald (Arlington Heights, IL), 2026, p. 4. Access World News, Accessed 2 Feb. 2026.
The visitor center and animal hospital at the DuPage Wildlife Conservation Center in Glen Ellyn, IL is the first "net-zero" designed building in the DuPage County forest preserve system. Solar energy is expected to produce 110% of the facility's needs, and the building also incorporates a geothermal system, double-glazed windows, and extra insulation.