“(T)here are tipping points and things can change rapidly. I look at the problems remaining—they’re challenging but not unsolvable…“ This issue features Dr. Peter Psarras, Research Assistant Professor, Chemical and Biomolecular Engineering and Energy Policy at the University of Pennsylvania.Dr. Psarras oversees research on indirect carbonation of alkaline feedstocks, coupled LCA/TEA analyses of carbon management pathways, and strategic road…