The thin layer that makes the planet habitable, and the four ways human activity is changing it.
The Atmosphere
The atmosphere is a thin mixture of gases, about 78% nitrogen and 21% oxygen, divided by temperature into four layers. This topic covers that composition, the structure o...
8 questions · 28 marks
Revise this topicClimate Change
Climate change is the long-term change in temperature and weather patterns caused by the enhanced greenhouse effect. This topic covers what makes a gas a greenhouse gas, ...
9 questions · 29 marks
Revise this topicAcid Rain
Acid rain is rain, snow or mist that has absorbed sulfur dioxide from burning fossil fuels and oxides of nitrogen from vehicle engines, so it falls more acidic than norma...
9 questions · 29 marks
Revise this topicOzone Depletion
The ozone layer in the lower stratosphere absorbs most of the Sun's ultraviolet radiation, and CFCs from aerosols and refrigerants have thinned it. This topic covers how ...
8 questions · 29 marks
Revise this topicOther areas in IGCSE Environmental Management
Where this fits in IGCSE Environmental Management
This page is one area of Cambridge IGCSE Environmental Management 0680. IGCSE Environmental Management is the course home: every area and every topic in Cambridge's own order, the papers you sit and what each one tests, and the exam-practice tools. The full topic list, with each topic linked to its revision page, is on the IGCSE Environmental Management syllabus page.