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markhgn : ocean   2

Deep-Sea Mining and the Race to the Bottom of the Ocean
He points to electric cars: the batteries for a single vehicle require 187 pounds of copper, 123 pounds of nickel, and 15 pounds each of manganese and cobalt. On a planet with 1 billion cars, the conversion to electric vehicles would require several times more metal than all existing land-based supplies—and harvesting that metal from existing sources already takes a human toll.
nature  research  environment  ocean  science  mining  deep  sea  resource  extraction 
6 weeks ago by markhgn
David Gallo shows underwater astonishments
"... shows jaw-dropping footage of amazing sea creatures, including a color-shifting cuttlefish..."
presentation  talk  biology  ted  david  sea  underwater  ocean  gallo 
february 2009 by markhgn

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