green tag
n.— «Those renewable electrons flow onto the grid, and Green Mountain gives FPL what’s known as a “green tag”—a certificate that shows part of its electricity has been offset by alternative energy.» —“Green power used in solar project” by Kristi E. Swartz in Tequesta Palm Beach Post (Florida) May 21, 2007. (source: Double-Tongued Dictionary)
Further reading
Sure, there’s winter, spring, summer, and fall. But the seasons in between have even more poetic names. In Alaska, greenup describes a sudden, dramatic burst of green after a long, dark winter. And there are many, many terms for a cold snap...
Diamond dust, tapioca snow, and sugar icebergs — a 1955 glossary of arctic and subarctic terms describes the environment in ways that sound poetic. And a mom says her son is dating someone who’s non-binary. She supports their relationship, but...