CS Professional · Environmental, Social and Governance (ESG) - Principles and Practice · Environment
Sundar Cements Ltd burns coal in its kilns and the board is reviewing its emissions. Which gas emitted from this combustion is the principal greenhouse gas driving human-induced global warming?
Carbon dioxide is the principal greenhouse gas from burning coal. It traps heat in the atmosphere and is the largest contributor to human-induced global warming, whereas nitrogen, oxygen and argon are not significant greenhouse gases.
- ACarbon dioxideCorrect
- BOxygen
- CArgon
- DNitrogen
Explanation
Burning fossil fuels releases carbon dioxide, the main anthropogenic greenhouse gas trapping heat in the atmosphere. Oxygen, nitrogen and argon are major atmospheric gases but do not act as greenhouse gases of concern from combustion.
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