Non-renewable resources of energy, also known as fossil fuels, such as gas, oil and coal, are carbon based molecules that, when burned to produce energy generate greenhouse gases.
These greenhouse gases are responsible for the greenhouse effect that results in global warming. As the temperature of our planet starts to rise the effects are multiple. Some of them are:
• The increase in extreme weather events (such as unusually high or low levels of rain, and increase in wind that can cause floods and droughts).
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• Biodivesity loss and species extintions.
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• Food scarcity
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• Health issues on populations
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• Poverty.
So when using renewable energy resources we prevent all of these effects, decreasing the greenhouse gases emissions, and stopping global warming. Also we stop using resources that are exhaustible and could be used in a better way for other purposes.