The chart below shows the Nationwide average price of gasoline over the last year (12 months) compared to the gas price in Dallas and the price in Los Angeles.You can change the time period to see anywhere from 1 month to 6 years. Simply select the time period you wish to see from the list at the top.he chart below shows the Nationwide average price of gasoline over the last year (12 months) compared to the gas price in Dallas and the price in Los Angeles.
Causes Of The Greenhouse Effect. Trace gases in the atmosphere cause the greenhouse effect by acting like a blanket on a global scale and slowing the radiation of heat back out into space.mpacts of Different Greenhouse Gases. Carbon dioxide is the largest contributor to global warming, and occurs in relatively high concentrations. On the other hand, methane occurs in low concentrations, but it has a much higher heat-trapping capacity than carbon dioxide per unit volume.
Some of that heat is trapped by greenhouse gases in the atmosphere, including carbon dioxide (CO2). Human activity--such as burning fossil fuels--causes more greenhouse gases to build up in the atmosphere. As the atmosphere thickens with more greenhouse gases, more heat is held in.Fossil fuels such as oil, coal and natural gas are high in carbon and, when burned, produce major amounts of carbon dioxide or CO2.ome of that heat is trapped by greenhouse gases in the atmosphere, including carbon dioxide (CO2). Human activity--such as burning fossil fuels--causes more greenhouse gases to build up in the atmosphere. As the atmosphere thickens with more greenhouse gases, more heat is held in.