Re: zasobypierwiastków rzadkich wyczerpią się do 2017roku

> The element gallium is in very short supply and the world may well run out
> of
> it in just a few years. Indium is threatened too, says Armin Reller, a
> materials chemist at Germany's University of Augsburg. He estimates that
> our
> planet's stock of indium will last no more than another decade. All the
> hafnium will be gone by 2017 also, and another twenty years will see the
> extinction of zinc. Even copper is an endangered item, since worldwide
> demand
> for it is likely to exceed available supplies by the end of the present
> century.

No i zacznie sie "przemysłowy" podboj kosmosu (planetoidy, Mars itp.).
Pozostają jeszcze stare składowiska odpadów przemysłowych.
Kazik
Received on Thu Jul 3 12:57:19 2008