19 Topics.
0 of 5 Concepts Done
What to Study: Is global warming the same as climate change? Be clear which term is wider and what each one covers. Remember the UNFCCC definition of climate change, especially what it says about human cause and natural variability.
What to Study: How do scientists learn about the climate of hundreds or thousands of years ago? Understand what one light ring and one dark ring in a tree stand for, and what ring width shows. What do the layers of an ice core preserve?
What to Study: Learn what mitigation tries to do and what adaptation means, with examples of each.
Asked in UPSC PrelimsUPSC 2012
What to Study: Understand how a glasshouse warms up and how the atmosphere works in a similar way. You should be able to explain which radiation passes through, which is held back, and why. Which radiation does carbon dioxide absorb?
Asked in UPSC PrelimsUPSC 2025
What to Study: Why is life on Earth possible only because of the natural greenhouse effect? Remember the average temperature with and without it, and which parts of the atmosphere cause most of it. How does the enhanced, human-made effect differ from the natural one?