5 - Use of fossil fuels

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Fossil fuels (coal, oil and gas) come from remains of life (plants, algae, etc.) buried and decomposed underground. They account for 80% of global energy consumed.

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Causa

Use of fossil fuels

Industry uses fossil fuels for different activities: heating, transport, industrial processes, etc.


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Consecuencias

Use of fossil fuels

The imperfect combustion of fossil fuels leads to aerosol emissions into the atmosphere.


Use of fossil fuels

Methane represents 17% of GHGs globally (mainly agriculture, but also during production (particularly leaks) and combustion of fossil fuels). Nitrous oxide is not directly linked to the use of fossil fuels.


Use of fossil fuels

The manufacture of nitrogen fertilizers relies on the use of fossil gas.


Use of fossil fuels

The combustion of fossil fuels causes CO2 emissions into the atmosphere. CO2 represents more than 70% of anthropogenic GHGs (greenhouse gases) globally.


Use of fossil fuels

The manufacture of “conventional” plastic is entirely based on the exploitation of oil. At the start, plastic was “only” a “by-product”.


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Otra causa posible

Use of fossil fuels

Agriculture uses very little fossil energy, compared to the emissions of other GHGs for which it is responsible. However, the link is not false.