What Are The Causes Of Global Warming

The majority of the scientific community believes thatmethane is 20 times more effective than CO2 in
global warming is a real threat to the world as wetrapping heat in the atmosphere. US Emissions
know it today. They believe that global warming mostlyInventory 2004 levels of atmospheric methane have
results from the emissions of carbon dioxide and otherrisen 145% in the last 100 years. Sources of this rise in
greenhouse gases from human activities such asmethane include rice paddies, bovine flatulence,
industrial processes, fossil fuel combustion, andbacteria in bogs, and fossil fuel production.
deforestation.Another cause of global warming is nitrous oxide, a
There are many causes of global warming. Onecolourless, non-flammable gas with a sweetish odour. It
cause is carbon dioxide that is made from the burningis naturally produced by oceans and rainforests, while it
of fossil fuels from power plants for the purpose ofis also artificially produced in nylon, nitric acid production,
electricity generation. Coal makes up 93% of theseagricultural fertilizers, cars with catalytic converters, and
emissions. Coal emits 1.7 times more carbon per unit ofburning organic matter.
energy when burned than natural gas and 1.25 timesDeforestation is also one of the causes of global
more carbon than oil. Consequently, natural gas giveswarming, the second-leading cause only to carbon
off 50% less carbon dioxide for the same amount ofemissions. Deforestation is responsible for 25% of all
energy produced. Another cause is carbon dioxide thatcarbon emissions entering the atmosphere, as 34
is made from the burning of gasoline inmillion acres of trees are burn and cut each year. The
internal-combustion engines of cars, minivans, sportdestroying of tropical forests alone emit hundreds of
utility vehicles, pick-up trucks, and jeeps. Poor gasmillions of tons of carbon dioxide into the atmosphere
mileage is considered the main culprit here. Accordingeach year.
to the Environmental Protection Agency's 2000 FuelCity gridlock is another global warming cause.
Economy Guide, a new Dodge Durango sports utilityAccording to an annual study by traffic engineers from
vehicle (with a 5.9 liter engine) that gets 12 miles perTexas A&M University, drivers in Los Angeles
gallon in the city will emit around 800 pounds of carbonand New York alone waste 600 million gallons of gas
dioxide over a distance of 500 city miles; this translatesannually while just sitting in traffic. That translates into
to 19.6 pounds of carbon dioxide emitted into the air foraround 7.5 million tons of carbon dioxide that is emitted
every gallon of gas a vehicle consumes.into the atmosphere. And remember, just two major
Another cause of global warming is carbon dioxideU.S. cities are named, not to mention the rest of the
that is made from commercial trucks, contributingU.S. and the world.
another 13% of U.S. carbon dioxide emissions.Another global warming cause is just the amount of
Carbon dioxide that is made from airplanes is anothercarbon already in the Earth's atmosphere naturally, as
cause of global warming - the United Nation's750 billion tons of carbon are present. Add in another
Intergovernmental Panel on Climate Change estimates800 billion tons of carbon that is dissolved in the
that aviation causes 3.5% of global warming, with asurface layers of the world's oceans.
projection that it will rise to 15% by 2050.As you can see, carbon dioxide, methane, and nitrous
Another cause of climate warming is carbon dioxideoxide are the major causes of global warming. You
that is emitted by the structure of buildings, accountingcan also see there are many sources of these gases,
for another 12% of carbon dioxide emissions.especially carbon dioxide. Much work needs to be
Methane is another cause of climate warming, asdone in order to address all the causes of global
methane is the second most important greenhousewarming.
gas after carbon dioxide. According to the IPCC,