TY JOUR TI Analysis of Greenhouse Gas Emissions in BRICS and Ways to Reduce Emissions from Rail Transport KW Global warming KW sustainable development KW railway industry KW climate change KW low-carbon transport industry KW carbon dioxide emissions KW negative emission technologies JO Proceedings of Petersburg Transport University AU Ahtyamov, R.G. AU Makarova, E.I. AU Gavrilova, A.A. PY 2023 IS 20 PB FSBEI HE "Emperor Alexander I St. Petersburg State Transport University"