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Synopsis :
Global warming refers to the long-term increase in the Earth's average surface temperature due to human activities, primarily the emission of greenhouse gases into the atmosphere.
The most significant greenhouse gases contributing to global warming include carbon dioxide (CO2), methane (CH4), nitrous oxide (N2O), and fluorinated gases.
These gases trap heat from the Sun in the Earth's atmosphere, creating a natural greenhouse effect that keeps our planet warm enough to support life.
However, human activities, such as burning fossil fuels (coal, oil, and natural gas) for energy, deforestation, industrial processes, and agricultural practices, have significantly increased the concentration of greenhouse gases in the atmosphere.
This enhanced greenhouse effect intensifies the natural warming of the Earth, leading to global warming and climate change.
The consequences of global warming and climate change are far-reaching and impact various aspects of our environment and ecosystems:
Rising Temperatures: Average global temperatures have been steadily increasing over the past century, causing heatwaves and more frequent extreme weather events.
Melting Ice and Rising Sea Levels: Higher temperatures lead to the melting of glaciers and polar ice caps, contributing to rising sea levels. This poses a threat to low-lying coastal areas and island nations.
Extreme Weather Events: Global warming increases the frequency and intensity of extreme weather events such as hurricanes, cyclones, floods, and droughts.
Ocean Acidification: The absorption of excess CO2 by the oceans leads to ocean acidification, which negatively impacts marine life, particularly organisms with calcium carbonate shells.
Biodiversity Loss: Many plant and animal species are at risk due to changing climatic conditions and habitat loss.
Human Health Impact: Global warming can affect human health by spreading infectious diseases, increasing the risk of heat-related illnesses, and worsening air quality.
Addressing global warming requires collective action on both individual and global levels.
Some key solutions include:
Transition to Renewable Energy: Shift from fossil fuels to renewable energy sources such as solar, wind, hydro, and geothermal power.
Energy Efficiency: Improve energy efficiency in buildings, transportation, and industries to reduce greenhouse gas emissions.
Reforestation and Conservation: Protect and expand forests, as trees absorb CO2 and help mitigate the impacts of global warming.
Sustainable Agriculture: Promote sustainable agricultural practices that reduce greenhouse gas emissions and enhance soil carbon sequestration.
International Agreements: Encourage global cooperation through agreements like the Paris Agreement, where countries commit to reducing emissions and limiting global warming.
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5 сен 2024
