Concentration of CO2 in the Atmosphere
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Image: asiapacificreport.nz
George Harvey
Single-use plastics include such things as bags we get in stores, plastic table wear, and drinking straws. They include the plastic-based wipes Larry Plesent objects to in his “Ingredient of the Month” article in this issue of Green Energy Times (G.E.T.). In cases like plastic bags, […]
By George Harvey
The United Nations (UN) has observed World Environment Day on June 5th every year since 1974. Each year, the UN chooses a theme for the event to focus the attention of people worldwide on some specific problem that needs to be addressed. This year, the UN’s theme is “Beat Plastic […]
The cap of this fountain pen was made of galalith, a milk-based plastic invented in the 1890s. At one time, it was one of the least expensive plastics available. Photo by 76Winger. Creative Commons Attribution-Share Alike 2.0 Generic license. Wikimedia Commons.
By George Harvey
Deny it or not, most of us really […]
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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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