acid rain: rain that has increased acidity caused by environmental factors (such as atmospheric pollutants)
noun. Sulfuric acid rain killing the vegetation.
air pollution: The presence in the atmosphere of large quantities of particles or gases produced by human activity; these are harmful to both animal and plant life.
noun. How air pollution affects our everyday life.
climate change: significant and long-lasting change in the Earth's climate and weather patterns
noun. Addressing climate change is therefore essential.
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