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Climate Change Indicators, Climate Forcing, Sea Level, Ocean Acidity :,…
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Climate Forcing
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Greenhouse gases produced by human activities have caused an overall warming influence on the Earth’s climate
The largest contributor to climate forcing has been carbon dioxide, followed by methane and black carbon
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Sea Level
global average sea level rose throughout the 20th century, and the rate of change has accelerated in recent years
Since 1993, average sea level has risen at a rate of 0.12 to 0.14 inches per year—roughly twice as fast as the long-term trend.
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Ocean Acidity :
ocean carbon dioxide levels have risen, leading to an increase in acidity
increases in ocean acidity make it difficult for certain organisms to build and maintain their skeletons and shells
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Ecosystems
Wildfires
Since 1983, the National Interagency Fire Center has documented an average of approximately 70,000 wildfires per year
Combining temperature, drought, and snowmelt contribute to hotter, drier conditions that fuel wildfires.
Antarctic Sea Ice
The Earth lost sea ice at an average rate of 13,500 square miles per year from 1979 to 2014
Since 1992, Greenland and Antarctica have both lost ice overall , each one losing more than 100 billion metric tons of ice per year on average.
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