Global Warming Causes: Atmospheric Composition
The current trend of global warming is primarily driven by changes in the composition of Earth's atmosphere.
Atmospheric Composition Changes
The increase in greenhouse gases (like carbon dioxide, methane, and nitrous oxide) traps more heat in the atmosphere. This phenomenon, known as the greenhouse effect, leads to a rise in global temperatures. Human activities, such as burning fossil fuels and deforestation, are the main contributors to this increase in greenhouse gases.
Analysis of Other Options
- Orbital and solar variability and sunspot cycles influence Earth's climate over long timescales but do not explain the rapid warming observed in recent decades.
- Earth movements (like tectonic shifts or variations in Earth's orbit) cause climate changes over geological time but are not the cause of the present warming trend.
Therefore, the most accurate explanation for the present trend of global warming is the alteration of atmospheric composition.
Important Questions from Climate Change
Arrange the following United Nations Framework Convention on Climate Change (UNFCCC) conferences in chronological order
A. Copenhagen Conference
B. Doha Conference
C. Paris Conference
D. Katowice Conference
Choose the correct answer from the options given below
Which of the following gasses are called Greenhouse gasses?
Global warming has seen a century-scale increase in the _______ of the Earth's climate system.
Which of the following is not a greenhouse gas?
Which of the following is not a greenhouse gas?
