The Montreal Protocol, widely regarded as the most successful international environmental treaty, was established to phase out the production of which major class of chemicals responsible for depleting the Earth's stratospheric ozone layer?
Environmental Issues MCQs
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Although carbon dioxide is the primary driver of climate change, which potent greenhouse gas is responsible for trapping a significant amount of heat in the atmosphere and is primarily generated by sources such as livestock digestion, natural gas leaks, and the decomposition of organic waste in landfills?
Eutrophication is the excessive richness of nutrients in a body of water, frequently leading to algal blooms and subsequent oxygen depletion (hypoxia). Which group of substances primarily acts as the nutrient pollutant in this process, often originating from agricultural runoff?
Which of the following gases is considered the primary anthropogenic contributor to the enhanced greenhouse effect and global warming?
Acid deposition, commonly known as acid rain, is primarily caused by the emission of which two major classes of gaseous pollutants into the atmosphere?
Which human activity is widely recognized as the leading global cause of deforestation, particularly in tropical regions?
Which large area of circulating ocean currents, or gyre, is known to contain the greatest accumulation of marine plastic debris in the world?
What environmental process involves the degradation of land in arid, semi-arid, and dry sub-humid areas, resulting in the loss of biological productivity and often leading to the expansion of desert-like conditions?
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