Environmentalists Urge Reducing Your __ Footprint
This page is the CodyCross answer for the clue below from African grasslands, Group 1541, Puzzle 4 (Baobab Trees).
Question
Environmentalists Urge Reducing Your __ Footprint
Answer
CARBON
Word Meaning:
CARBON — (uncountable) The chemical element (symbol C) with an atomic number of 6. It can be found in pure form for example as graphite, a black, shiny and very soft material, or diamond, a colourless, transparent, crystalline solid and the hardest known material.
Definitions from Wiktionary.