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What is Climate Change? Is Climate Change Real?
Climate change refers to long-term shifts and alterations in temperature and weather patterns, primarily driven by human activities. These changes can manifest over decades to millions of years and can result from natural factors as well. However, the current trend of climate change is largely attributed to anthropogenic factors. Here’s a detailed overview:
Causes of Climate Change
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Greenhouse Gas Emissions:
- Carbon Dioxide (CO2): Released from burning fossil fuels (coal, oil, natural gas), deforestation, and various industrial processes.
- Methane (CH4): Emitted during the production and transport of coal, oil, and natural gas, as well as from livestock and other agricultural practices.
- Nitrous Oxide (N2O): Released from agricultural and industrial activities, as well as during fossil fuel combustion.
- Fluorinated Gases: Synthetic gases used in various industrial applications.
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Deforestation:
- Trees absorb CO2, and when they are cut down or burned, the carbon stored in them is released into the atmosphere.
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Industrial Activities:
- Emissions from manufacturing and energy production contribute significantly to the accumulation of greenhouse gases in the atmosphere.
Effects of Climate Change
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Temperature Increases:
- The Earth’s average surface temperature has risen, leading to more frequent and intense heatwaves.
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Melting Ice and Rising Sea Levels:
- Polar ice caps and glaciers are melting, contributing to rising sea levels.
- This poses a threat to coastal communities through increased flooding and erosion.
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Extreme Weather Events:
- Increased frequency and severity of storms, hurricanes, and typhoons.
- More intense and prolonged droughts and floods.
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Impact on Ecosystems and Biodiversity:
- Species migration and changes in the distribution of wildlife.
- Increased risk of extinction for many species unable to adapt to changing conditions.
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Ocean Acidification:
- Increased CO2 absorption by oceans, leading to a decrease in pH levels, which affects marine life, particularly coral reefs.
Mitigation and Adaptation
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Mitigation:
- Reducing Emissions: Transitioning to renewable energy sources like wind, solar, and hydroelectric power.
- Energy Efficiency: Enhancing energy efficiency in buildings, vehicles, and industries.
- Carbon Sequestration: Planting trees and employing technologies to capture and store CO2.
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Adaptation:
- Infrastructure Resilience: Building infrastructure to withstand extreme weather events.
- Water Management: Developing strategies to cope with changes in water availability.
- Agricultural Practices: Adapting farming techniques to new climate realities.
Global Efforts and Agreements
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Paris Agreement:
- An international treaty aiming to limit global warming to below 2 degrees Celsius above pre-industrial levels, with efforts to limit the increase to 1.5 degrees Celsius.
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United Nations Framework Convention on Climate Change (UNFCCC):
- An international environmental treaty established to address climate change and its impacts.
- This discussion was modified 5 months, 3 weeks ago by Gustan.
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