1
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carbon
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Western countries
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Carbon emissions from burning fossil fuels are a major environmental concern.
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1
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2
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carbon
|
Western countries
|
Carbon emissions are a significant environmental concern and a major focus of climate change discussions.
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1
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3
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carbon
|
western countries
|
Carbon emissions from factories and cars are a major environmental concern.
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1
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4
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carbon dioxide
|
Western countries
|
Carbon dioxide emissions from cars and factories are a major environmental concern, leading to efforts to reduce carbon footprint.
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1
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5
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carbon dioxide
|
Western countries
|
Carbon dioxide emissions are a major concern for environmental sustainability and climate change.
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1
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6
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carbon dioxide
|
western countries
|
Carbon dioxide is a greenhouse gas that contributes to climate change and is a major environmental concern in industrialized nations.
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1
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7
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carbon dioxide
|
western countries
|
Considered a harmful greenhouse gas that contributes to climate change.
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1
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