The current causes of climate change: the human causes.

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Presentation transcript:

The current causes of climate change: the human causes

Difference GLOBAL WARMING is the increase of the Earth’s average surface temperature due to a build-up of greenhouse gases in the atmosphere. CLIMATE CHANGE is a broader term that refers to long-term changes in climate, including average temperature and precipitation.

How Global Warming Works Fossil fuels (coal, oil, natural gas) Carbon Dioxide (CO 2 )

How is global warming measured?

Ice Core Data CO 2 Measurements Before Antarctica

CO 2 Atmospheric Measurements CO 2 Measurements Since 1958 – Mauna Loa, Hawaii

The main greenhouse gases

Explanation of the causes of global warming

Temperature (Northern Hemisphere) CO 2 Concentrations 1000 Years of CO 2 and Global Warming Degree Celsius Increase Parts Per Million Year

Burning of Fossil Fuels Pollution from coal, natural gas, and oil

Global Atmospheric Concentration of CO 2

Methane 24 times more potent than carbon dioxide Rising incomes and increase population have led to an increased rearing of livestock- account for about 20% of emissions Also comes from marshland, rice landfills (rotting vegetable matter), burning vegetation