There has been a long-standing debate on how pollution affects climate warming.
Norway has been a leader in efforts to stem CO2 emissions worldwide and has supported implementation of measures to aid developing countries in achieving U.N
Carbon dioxide emissions during 2012 continued to rise, increasing 2.2 percent and reaching a record 35 billion tonnes, according to new calculations published Tuesday by the Global Carbon Project.
Scientists have proven Mark Twain wrong .
How the environmentalists sang its praises.