phytocapping n.— «Landfill sites produce the greenhouse gases, methane and carbon dioxide, as putrescible waste decays. Growing plants and trees on top of a landfill, a process known as “Phytocapping,” could reduce the...
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...