
Cement and CO2 Emissions
One ton of portland cement produces a ton of CO2 emissions; can alternatives reduce that by 97 percent? This summer, if you’re thinking of mixing two parts of pozzalona with one-part lime and water as a tropical drink to serve to your guests, it will surely make their their throats go dry…really dry: these are the ingredients the Romans used…
Clean coal was all about no dirt or dust back in 1921
“…The public wants coal and must have it.” Wall Street Journal. Editorial excerpt: September 30, 1902 (from ‘A Journal Sampler,’ July 8, 2014.) It was a time of big industrial growth in big, big cities like Pittsburgh, Cincinnati, Chicago and St. Louis, as coal fed the maw of uber expansion. In fact, the latter part of the nineteenth century, provided…
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