World must invest $1.8 trillion by 2030 to prepare for #GlobalWarming. Investment concentrated in 5 categories: weather warning systems, infrastructure, dry-land farming, mangrove protection & water management, would yield $7.1 trillion in benefits. #UG4PH https://t.co/9LZFpG1hHt— RD UG4PH (@DRajesh_UG4PH) November 26, 2019