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- Over recent decades, "forest disturbance" by fire has increased in most of the planet's forest zones. The increase in area, frequency, and severity of forest fires creates a positive feedback that increases global warming. (en)
- Human-caused increases in greenhouse gases stimulate positive feedback in global warming. (en)
- Some effects of global warming can either enhance or inhibit warming. (en)
- Globally, wildfires and deforestation have reduced forests' net absorption of greenhouse gases, reducing their effectiveness at mitigating climate change. Global warming increases forest fires that release more greenhouse gases, creating a positive feedback loop that causes more warming. (en)
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