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three causes and three effects of climate change.
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Causes
1. Burning fossil fuels (coal, oil, gas) — Releases large amounts of CO2, the main long-lived greenhouse gas, which traps heat in the atmosphere.
2. Deforestation and land‑use change — Cutting and burning forests reduces carbon sinks that absorb CO2 and often adds CO2 when biomass is burned or decomposes.
3. Agriculture and industrial emissions — Farming (especially livestock and rice paddies) emits methane, fertilizers and some industrial processes release nitrous oxide and other potent greenhouse gases.
Effects
1. Higher global temperatures — Average temperatures rise, driving heatwaves, melting glaciers and Arctic ice, and thawing permafrost.
2. Sea‑level rise — Ocean warming (thermal expansion) plus melting land ice raises sea levels, increasing coastal flooding and erosion.
3. More extreme weather and ecosystem/food‑security impacts — Greater intensity and/or frequency of storms, heavy rain, droughts and wildfires; shifts in species ranges, coral reef loss, and reduced crop yields in many regions.
1. Burning fossil fuels (coal, oil, gas) — Releases large amounts of CO2, the main long-lived greenhouse gas, which traps heat in the atmosphere.
2. Deforestation and land‑use change — Cutting and burning forests reduces carbon sinks that absorb CO2 and often adds CO2 when biomass is burned or decomposes.
3. Agriculture and industrial emissions — Farming (especially livestock and rice paddies) emits methane, fertilizers and some industrial processes release nitrous oxide and other potent greenhouse gases.
Effects
1. Higher global temperatures — Average temperatures rise, driving heatwaves, melting glaciers and Arctic ice, and thawing permafrost.
2. Sea‑level rise — Ocean warming (thermal expansion) plus melting land ice raises sea levels, increasing coastal flooding and erosion.
3. More extreme weather and ecosystem/food‑security impacts — Greater intensity and/or frequency of storms, heavy rain, droughts and wildfires; shifts in species ranges, coral reef loss, and reduced crop yields in many regions.
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