2.1.1 Observed Warming and its Causes (Q67)
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sub-sub-section title
- 2.1.1.Observed Warming and its Causes
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | 2.1.1 Observed Warming and its Causes |
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Statements
Human activities, principally through emissions of greenhouse gases, have unequivocally caused global warming, with global surface temperature reaching 1.1°C above 1850–1900 in 2011–2020. Global greenhouse gas emissions have continued to increase over 2010–2019, with unequal historical and ongoing contributions arising from unsustainable energy use, land use and land-use change, lifestyles and patterns of consumption and productionacross regions, between and within countries, and between individuals. (English)
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Human-caused climate change is already affecting many weather and climate extremes in every region across the globe. This has led to widespread adverse impacts on food and water security, human health and on economies and society and relatedlosses and damages to nature and people. (English)
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Vulnerable communities who have historicallycontributed the least to current climate change are disproportionately affected. (English)
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