Flashcards on Understanding Major Environmental Problems
Understanding Major Environmental Problems: A Student Guide
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Environmental Problems
21 cards
Card 1
Question: What broad elements are included in the definition of the environment given here?
Answer: Plants, animals, air, water, our civilisation and so on — the environment is influenced by natural processes and mainly by human activity.
Card 2
Question: Name several natural disasters listed that affect the environment and a brief cause for each.
Answer: Floods (long heavy rains or snowmelt), fires (inattention or dry, hot seasons), hurricanes (atmospheric changes), earthquakes (movement of lithospheri
Card 3
Question: List the environmental problems specifically mentioned in the content.
Answer: Global warming, ozone hole, deforestation, pollution (air and water), greenhouse effect, garbage/toxic pollution, acid rain.
Card 4
Question: How does the content explain the greenhouse effect and its main human cause?
Answer: High-energy solar radiation is trapped by atmospheric gases (e.g., carbon dioxide), acting like a blanket. Burning fossil fuels (coal, oil) produces l
Card 5
Question: What possible consequences of increased greenhouse effect (global warming) are described?
Answer: Rising sea levels, unpredictable weather (flooding or drought), hurricanes, and large loss of life.
Card 6
Question: What solution is suggested for reducing global warming in the text?
Answer: Change the way we produce energy and produce less carbon dioxide; reduce gas emissions and use alternative energy sources.
Card 7
Question: What is the 'ozone hole' problem and why is it dangerous according to the content?
Answer: The ozone layer (about 30 km up) is thin or missing over places like Antarctica and Australia; it normally absorbs harmful UV radiation. When damaged,
Card 8
Question: What human activities cause ozone layer damage in the provided text?
Answer: Release of ozone-damaging chemicals from industrial and domestic activities, especially in aerosols, refrigerators and car air conditioning.
Card 9
Question: What solution does the content recommend for the ozone hole issue?
Answer: Ban the use of dangerous ozone-damaging chemicals in aerosols, refrigerators and car air conditioning.
Card 10
Question: How does the text describe the cause of deforestation in tropical rainforests?
Answer: Clearing/burning forests to create land for cattle (driven by demand for beef) and agriculture; fires also contribute.