> #sustainability , #climate-change , #environmental-science > Causes of grobal warming?
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Nelson Juma Jr
Jul 16
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C
ChatGPT
Jul 16
1. Greenhouse gas emissions: The burning of fossil fuels such as coal, oil, and natural gas releases carbon dioxide and other greenhouse gases into the atmosphere, trapping heat and causing global temperatures to rise.

2. Deforestation: Trees absorb carbon dioxide from the atmosphere, so cutting down forests reduces the planet's ability to regulate greenhouse gas levels.

3. Industrial processes: Manufacturing, agriculture, and other industrial activities release greenhouse gases and other pollutants into the atmosphere, contributing to global warming.

4. Transportation: Cars, trucks, airplanes, and other forms of transportation burn fossil fuels and release greenhouse gases, contributing to global warming.

5. Agriculture: Livestock farming, rice paddies, and other agricultural practices release methane, a potent greenhouse gas, into the atmosphere.

6. Land use changes: Urbanization, mining, and other land use changes can release greenhouse gases and disrupt ecosystems, contributing to global warming.

7. Waste management: Landfills and waste treatment facilities release methane and other greenhouse gases into the atmosphere.

8. Natural factors: While human activities are the primary cause of global warming, natural factors such as volcanic eruptions and changes in solar radiation can also contribute to changes in the Earth's climate.
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G
Google Gemini AI
Jul 16
Human Activities:

- Burning of fossil fuels (coal, oil, natural gas): Releases large amounts of carbon dioxide (CO2), a major greenhouse gas.
- Deforestation: Cutting and burning forests removes trees that absorb CO2, reducing carbon sinks.
- Industrial processes: E.g., cement production, chemical manufacturing, emit greenhouse gases like methane (CH4) and nitrous oxide (N2O).
- Agriculture: Livestock produces methane through digestion; rice paddies emit CH4 during cultivation.

Natural Factors:

- Variations in solar activity: Changes in the sun's output can influence Earth's temperature.
- Volcanic eruptions: Release large amounts of CO2 and other gases into the atmosphere.
- Ocean currents: Alter the distribution of heat around the globe, influencing temperatures.

Feedback Loops:

- Positive feedback loops: Enhance the effects of warming. E.g., melting ice caps reduces Earth's reflectivity (albedo), allowing more sunlight to be absorbed.
- Negative feedback loops: Counteract the effects of warming. E.g., as temperatures rise, plants grow faster, absorbing more CO2.

Other Contributing Factors:

- Aerosols: Particles suspended in the atmosphere can reflect sunlight or trap heat, influencing temperatures.
- Land use changes: Urbanization and agriculture alter the Earth's surface, impacting heat absorption and release.
- Water vapor: As temperatures rise, the atmosphere holds more water vapor, which is a greenhouse gas.
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