Concentration of CO2 in the Atmosphere
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State Dept. Turns a Blind Eye to Ugly Reality of Tar Sands
“The State Department study turns a blind eye to the ugly reality that extracting and refining dirty tar sands oil will spew into our atmosphere more and more of the greenhouse gases that cause global warming. To my mind, global warming is the most serious environmental crisis facing the world today and President Obama should block construction of the Keystone pipeline.” – Vermont Senator Bernie Sanders, Jan. 31, 2014
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ASES Solar: Call for Participation
 Exciting news! The Call for Participation for ASES’ 50th Annual National Solar Conference, SOLAR 2021: Empowering a Sustainable Future is OPEN. Send in your proposal(s) before January 15, 2021 at ases.org/participate2021. The conference will take place August 3-6, 2021 in Boulder, CO on the University of Colorado, Boulder campus. Contact conference@ases.org if you have any questions. See you at #SOLAR2021Boulder!
Sustainableheating.org

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