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Climate ScienceBeginnerFREE COURSE · CERTIFICATE

Climate Change & the Environment: From Science to Action

Master the science, evidence, impacts and solutions of climate change — plus air pollution and environmental health.

4.8(118 ratings)
1,540 enrolledUpdated 2026-09
10 weeks 8 modules · 50 lessons ~3 hours of learning English Certificate of completion
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Taught by
Dr. Samuel Ochieng
Free$49FOREVER
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What You'll Learn

Define weather, climate, climate variability, climate change, global warming and the greenhouse effect accurately.
Explain why climate is a long-term statistical description rather than a single weather event.
Describe the atmosphere, ocean, cryosphere, land and biosphere as interacting parts of the Earth system.
Distinguish natural climate variability from the long-term warming trend caused predominantly by human activities.
Identify major greenhouse gases and their principal human sources.
Explain the evidence that human activities are driving recent global warming.
Interpret basic temperature, atmospheric CO₂, ocean heat and sea-level graphs.
Use evidence-based reasoning to distinguish scientific uncertainty from scientific ignorance.

About This Course

Climate Change & the Environment: From Science to Action is an eight-module journey through the full climate story: how the climate system works, the evidence that human activity is warming the planet, where emissions come from, how impacts and vulnerability are distributed, and what mitigation, adaptation and justice-oriented solutions actually look like. The course closes with practical climate action — communication, project design and monitoring — and a dedicated module on air pollution and environmental health, making it one of the most complete environmental foundations available on Tapi Learn.

How it works

  • Enroll free in the Tapi Learn app — no payment, no ads
  • Learn lesson-by-lesson; pass each module quiz (60%) to progress
  • Score 80%+ on the final assessment to earn your certificate

Course Curriculum

8 modules · 50 lessons · ~3h total
Weather versus climate
3 min
The Earth system
4 min
Climate variability and change
4 min
The greenhouse effect
4 min
Case Study: Nairobi, coastal Kenya, and a small island community
2 min
Hands-On Activity
2 min

Your Instructor

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Dr. Samuel Ochieng

Atmospheric Scientist & Air Quality Lead

ACLA Faculty

Atmospheric scientist and environmental health researcher who has led air-quality monitoring programmes across East Africa.

PhD Atmospheric Science, Univ. of NairobiFormer KMD senior meteorologistAir quality programme lead, ACLA

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