Reuters: Big greenhouse gas emitters have restated their promises to fight climate change, meeting a Sunday deadline in a low-key endorsement of December’s “Copenhagen Accord”. Following are plans announced since the Copenhagen summit. Each country’s percentage of world emissions is given in brackets, based on U.S. Carbon Dioxide Information Analysis Center data of emissions from fossil fuels and cement production: CHINA (22 percent), INDIA (6), SOUTH AFRICA (1), BRAZIL (1) — Known as …