These, in turn, have sparkedcorrespondinglysharprises in greenhousegasconcentrations, ozonedepletion, great floods, depletion of fisheries, loss of forests, speciesloss.
Despite the sharp fall in natural gas prices in the U.S. caused by rising production from shale and other unconventional rock formations there was a time when early investors in shale gas made fat profits, a process which is being mirrored in Australia.
While the plunge was more abrupt with Patriot, comparable coal credits have also seen sharp declines amid historically low natural gas prices and a regulatory environment that is pushing a coal-to-gas transition.