RT null T1 Big Wins for Human Health, Natural Resources in Switch to Energy Efficiency A1 United Nations Environment Programme, A1 International Resource Panel, K1 energy efficiency K1 environmentally sound technology K1 lighting K1 energy resource development K1 copper K1 cogeneration K1 transport K1 information technology YR 2017 FD 2017 LK https://wedocs.unep.org/handle/20.500.11822/31584 UL https://wedocs.unep.org/handle/20.500.11822/31584 NO Low-carbon technologies aid clean air, save water and cut land use. 25 billion tonnes of greenhouse gas emissions and 17 million tonnes of particulates a year could be avoided through low-carbon and energy efficiency technologies. DS UN Environment Document Repository RD Sep 19, 2026