At the beginning of April, I did a little roundup of the current waste-disposal difficulties renewables were facing, both in solar and in the wind industry. The solar nightmare is incoming... By 2050, the estimated total boundary area required for 1.5 million wind turbines is expected to reach 3.1 to 4.6 million square kilometers - the combined size of India and Argentina. The obvious question regarding this transition—with its towering turbine skeletons, virtually indestructible composite blades, and billions of solar panels—is this: Just where will all this metal, silicon and concrete be buried?