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Did you know

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Did You Know? – Changes in Oceanic Acidity


Global ocean surface waters have become 30% more acidic since the start of the Industrial Revolution Advertisements

Did You Know? – Thickness of Earth’s Atmosphere


Proportionally, the Earth’s atmosphere is no thicker than the skin of an apple.

Did You Know? – Non-Greenhouse Gases in the Atmosphere


Nitrogen (78%) and oxygen (21%) which comprise over 99% of the dry atmosphere, are not greenhouse gases and do not contribute to the Earth’s greenhouse effect.

Did You Know? – Average Minimum Temperature on Mercury


With no greenhouse effect to moderate its climate, the average minimum temperature on Mercury, the planet closest to the Sun, is -280 deg Fahrenheit.

Did You Know? – Earth Temperature Without Greenhouse Effect


Without a greenhouse effect, the average temperature on Earth would be 0 deg Fahrenheit.

Did You Know? – Carbon Dioxide Atmospheric Lifetime


Once emitted, carbon dioxide (CO2) can remain in the atmosphere for over 100 years.

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The Consensus

173 professional scientific organizations (and counting) around the world acknowledge the global impact of rising emissions of greenhouse gases from human activities

The Indicators

Climate Change Indicators Climate Change Indicators NASA GISS - Global Annual Mean Surface Air Temperature ChangeGlobal Temperature Sea level change from 1993 to the present day Global Sea Level Northern Hemisphere Sea Ice Anomaly, 1979-Present Arctic Ice Melt Glacial Retreat, 1980-2010 Glacial Retreat Atmospheric CO2 Concentrations, Mauna Loa Atmospheric CO2 Level
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