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 The Consequences of Global Warming or Global Climate Change
 

Scientists have high confidence that global temperatures will continue to rise for decades to come. 

This is largely due to:

•Greenhouse gases produced by human activities •Orbital Variations 

The change will occur over this century and beyond. 

The magnitude of global climate change depends on the amount of heat-trapping gases emitted globally, and how sensitive the Earth’s climate is to those emissions. 

El Niño-Southern Oscillation (ENSO)

http://www.ces.fau.edu/nasa/module-4/causes-2.php