
Exam line: Global warming is one major cause/component of climate change.
The greenhouse effect is the warming of Earth’s surface because certain gases trap heat in the atmosphere.
Main greenhouse gases:
Natural greenhouse effect makes Earth habitable, but enhanced greenhouse effect due to human emissions causes global warming.
Environmental impacts:
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Exam line: Global warming is one major cause/component of climate change.
The greenhouse effect is the warming of Earth’s surface because certain gases trap heat in the atmosphere.
Main greenhouse gases:
Natural greenhouse effect makes Earth habitable, but enhanced greenhouse effect due to human emissions causes global warming.
Environmental impacts:
Economic impacts:
Health impacts:
Mitigation focuses on reducing greenhouse gas emissions and increasing carbon sinks.
Measures:
Adaptation means adjusting to climate impacts.
Examples:
Countries submit plans and work together for mitigation and adaptation.
Small actions multiplied by many people create large impact.
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From this topic
Global warming is mainly temperature rise; climate change includes temperature rise plus rainfall changes and extreme events. Global warming is one component/cause of climate change. Climate change impacts are broader like sea level rise and storms.
Carbon dioxide (CO2), methane (CH4), nitrous oxide (N2O), ozone and CFCs/HFCs are greenhouse gases (any three).
Climate change refers to long-term changes in temperature, rainfall patterns and frequency of extreme weather events. Global warming is the long-term rise in Earth’s average temperature and is a major part of climate change.
Causes (mainly human):
Impacts:
Therefore reducing emissions and protecting forests is essential to control climate change.