The atmosphere allows for warmth and sustains life, so imagine how cold it would be without it?  Not even your best winter parka would be enough to keep you warm.  Life as we know it would not exist.

Throughout this videoconference program, Investigating Global Warming:  Clues to a Climate Change,  will investigate the green house effect, changes in CO2 levels using fifteen years of data from field studies at the research center as well as the cause and effect of those change and what it means for you and your future.

Global warming and climate change is a real hot topic.

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PV Carbon Dioxide Cycle 2  (pdf)

PV Greenhouse Effect  (pdf)

PV Carbon Dioxide Graph  (pdf)