. "List of proposed geoengineering schemes"@en . "This is a list of notable geoengineering schemes proposed in scientific journals."@en . "20120810165750"^^ . . "List of proposed geoengineering schemes"@en . "This is a list of notable geoengineering schemes proposed in scientific journals."@en . . . . "August"@en . . "10"^^ . . "2012"^^ . "yes"@en .