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Does global warming exist?

Yes, global warming exists and is a well-documented phenomenon. The evidence supporting its existence is extensive and comes from multiple lines of research:

  1. Temperature Records: Global temperature data collected from thousands of weather stations around the world show that Earth's average surface temperature has risen by about 1.8°F (1.0°C) since 18802.

  2. Greenhouse Gases: The concentration of carbon dioxide (CO2) in the atmosphere has increased significantly since the Industrial Revolution, primarily due to the burning of fossil fuels like coal and oil. This increase enhances the natural greenhouse effect, leading to warming15.

  3. Climate Change Impacts: Observations include melting glaciers, sea level rise, and changes in seasonal patterns such as earlier plant blooming and bird migrations24.

  4. Scientific Consensus: There is a strong consensus among climate scientists that human activities are the main cause of recent global warming24.

Overall, the scientific evidence confirms that global warming is real and primarily driven by human activities.

Sources:

1 science.nasa.gov science.nasa.gov 2 www.climate.gov www.climate.gov 3 www.wwf.org.uk www.wwf.org.uk 4 science.nasa.gov science.nasa.gov 5 www.epa.gov www.epa.gov

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