How do we know that the pronounced global warming trend during the 20th and 21st century is not caused by natural cycles?
The National Academy of Science (NAS) presents a short video to explain why there is a greater than 90% chance that the global warming trend over the past 50 to 60 years is due to the burning of fossil fuels and other greenhouse gas emissions and not natural cycles.
Video courtesy of the National Research Council and YouTube.....
NASA's Goddard Institute for Space Studies (GISS) has released their global temperature anomaly data for the Spring of 2013.....
NASA has released a new detailed map which gives a much clearer picture of what Antarctica looks like from the ice surface down to the bedrock below..
Satellite measured temperature anomaly data for May 2013
A new, peer-reviewed study from the University of Waterloo (Canada) states that chlorofluorocarbons (CFCs) are the main cause of global warming since the 1970s and not carbon dioxide (CO2).
There continues to be growing, scientific evidence that the dramatic decline in Arctic sea ice in recent time is indeed having an influence on the atmospheric circulation....
Alaska glaciers have been found to be one of the top contributors to global sea level rise.
Climate Change
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