tell me stuff about global warming
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Answer:
climate change includes both the global warming driven by human emmisions of greenhouse gases and the resulting large scales in weather patterns
Answer:
That human activity has caused climate change is not disputed by any scientific body of national or international standing. The largest driver has been the emission of greenhouse gases. Over 90% of these emissions are carbon dioxide (CO
2) and methane, with fossil-fuel burning being the main source.Agricultural emissions and deforestation also have effect. Temperature rise is accelerated or tempered by climate feedbacks, such as loss of albedo (light-reflective snow and ice cover), increased water vapour, and changes to land and ocean carbon sinks.
Because land surfaces heat faster than ocean surfaces, deserts are expanding and heat waves and wildfires are more common. Surface temperature increases are greatest in the Arctic, where they have contributed to melting permafrost, and the retreat of glaciers and sea ice. Increasing atmospheric energy and rates of evaporation cause more intense storms and weather extremes, which damage infrastructure and agriculture. Rising temperatures are limiting ocean productivity and harming fish stocks in most parts of the globe. Current and anticipated human health effects from undernutrition, heat stress and disease have led the World Health Organization to declare climate change to be the greatest threat to global health in the 21st century.Environmental effects include the extinction or relocation of many species as their ecosystems change, most immediately in coral reefs, mountains, and the Arctic. Even if efforts to minimize future warming are successful, some effects will continue for centuries, including rising sea levels from melting ice sheets, rising ocean temperatures, and ocean acidification from elevated levels of CO
2.
The Intergovernmental Panel on Climate Change (IPCC) assesses the scientific, technical and socioeconomic information relevant to understanding of human-induced climate change.
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