I need this in less than 3 hrs from now, 2 pages, 2 AM pst 22/6/2016 deadline

What are the major greenhouse gases? How much greenhouse gas does the United States emit per person? What is the trend of emissions on a per-person basis? What is the trend of emissions per dollar of GDP in the United States? Use your own analysis to explain how total emissions can rise even though emissions per dollar of GDP substantially decline. Which of the two is more relevant for climate change?