Essay on The Science Of Climate Change

1406 Words Feb 27th, 2016 null Page
3.0 - The Science of Climate Change

3.1 – What is Climate Change?

The earths climate is changing and forever will be due to neurogenic and anthropogenic changes. Climate change is just a cycle, that will occur from neurogenic changes however humans are dramatically increasing this cycle warming the atmosphere and ocean (IPCC, 2013). Currently greenhouse gasses: carbon dioxide(CO2), methane(CH4) and nitrous oxide(N20) have been released in large amounts into the atmosphere, warming planet earth (NASA, 2016). These gases deplete the ozone layer by releasing chlorine and bromine atoms into the stratosphere, which destroy ozone molecules causing holes in the Ozone layer (NOAA, 2016). These gasses are largely caused from burning fossil fuels and agriculture.

3.2 – Is Anthropogenic Climate Change just a Hypothesis?

Undoubtedly the climate is changing, anthropogenic factors have been enhancing the greenhouse effect. Since 1910 Australia’s average temperatures have increaser by 0.9 degrees Celsius (Commonwealth of Australia, 2016). Changes over the 20th century include increases in global average air and ocean temperature, widespread melting of snow and ice and rising global sea levels. Paleo sea level records from warm periods during the last 3 million years indicate that global mean sea level has exceeded 5 m above present when global mean temperature was up to 2°C warmer than pre-industrial. (IPCC, 2016) There are also more intense and more frequent extreme weather event…

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