RT null T1 Why clean energy public investment makes economic sense the evidence base A1 United Nations Environment Programme, PB United Nations Environment Programme YR 2009 FD 2009 LK https://wedocs.unep.org/handle/20.500.11822/8016 UL https://wedocs.unep.org/handle/20.500.11822/8016 NO This report assesses the evidence base for countercyclical investment in sustainable energy as a sound response to global economic recession, providing a comprehensive analysis of why and how clean energy public investment makes economic sense. DS UN Environment Document Repository RD Sep 20, 2026