PPSC ZILADAR(Research/DLR Zone)(14-20G2020) Irrigation Department, Everyday Science MCQs, PPSC Solved Past Papers MCQsThe concept of Carbon credits originated from which of the following? Posted on March 29, 2021May 10, 2021 by Rana TahirA. Earth Summit, Rio de Janerio B. Kyoto Protocol C. Montreal Protocol D. Conference of Parties (COP) 19Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on WhatsApp (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on LinkedIn (Opens in new window)