Tag Archives: rare earth

Solar Photovoltaics (PV) limited by raw materials

Posted on January 13, 2015 by

This paper (excerpts below) shows that there are limits to growth — there simply aren’t enough minerals in the world that can be produced physically and/or at a reasonable cost for the many of the most common kinds of PV … Continue reading →

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John Gribbin, Astrophysicist. If we destroy ourselves, a grave injustice to the universe

Posted on January 3, 2012 by

Below are a few paragraphs from Hirshfeld’s excellent book review of:    John Gribbin. 2011. Alone in the Universe: Why Our Planet Is Unique. Humans are a miracle of blood, bone, and brain, a volatile mixture of compassion and brutality … Continue reading →

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