Big-box stores can meet half of their energy needs with rooftop solar, study says
From Walmart to Ikea, a report finds that rooftops of big-box stores could power the equivalent of 8 million American homes.
Buildings
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Japan’s Taisei makes concrete with lower CO2
Cement is responsible for 7% of global GHGs. If it were a country, it would be the third largest emitter. behind only China and the US.
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Solar panels on 50% of the world’s roofs covers 100% of all electricity demanded
This ignores the need for power when the sun doesn’t shine, but counters the argument that solar needs an unreasonably large footprint.
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Primer on HEAT … for buildings, water and industry
Transportation and generating electricity account for > 50% of GHGs. Heating for buildings, water and industry creates 29% of GHGs globally. Here’s a good overview on current sources of GHGs from heating and clean alternatives.
