4.1 Greenhouse Effect and Climate Change

• The greenhouse effect and greenhouse gases
• Global warming and climate change
• The role of the ozone layer
• Human activities and environmental degradation
• Mitigation of climate change

• explain the greenhouse effect and climate change in the environment
• outline the factors leading to the greenhouse effect in the environment
• explain the effect of the ozone layer on climate change
• describe the mitigating factors against climate change in the environment
• appreciate the impact of climate change on the environment

“Why does a car parked in the sun with its windows closed become so hot inside?”

“How do human actions impact climate change?”

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1. The greenhouse effect and global warming
   40 min · 1 practice tasks · quiz
   A natural effect that keeps the Earth habitable, and what happens when we strengthen it.
2. The ozone layer, impacts and what can be done
   40 min · 2 practice tasks · quiz
   Two different atmospheric problems that are constantly confused, and the measures that address each.
3. Human activities and the climate
   40 min · 1 practice tasks · quiz
   Which Kenyan activities add greenhouse gases or destroy the sinks that take them back.
4. Climate change in Kenya
   40 min · 1 practice tasks · quiz
   Local evidence: ice, lakes, rains, coasts and food - and how to survey it fairly.
5. Cutting emissions in Kenya
   40 min · 1 practice tasks · quiz
   Mitigation with Olkaria, wind, hydro and solar; everyday choices; adaptation that is not a substitute.