Source Pravda.Ru

The Great Dying - Too much heat and too little oxygen

Scientists call it the Great Dying, a 250-million-year-old catastrophe that wiped out 90 percent of ocean species and 70 percent of land species in the biggest &to=http:// english.pravda.ru/society/2002/01/11/25263.html ' target=_blank>mass extinction in Earth's geologic history.

The cause of this cataclysm is a matter of great dispute among paleontologists, but research released Thursday offers new evidence that &to=http:// english.pravda.ru/science/19/94/377/14519_climate.html ' target=_blank>global warming caused by massive and prolonged volcanic activity may have been the chief culprit.

Comments
The Globalization of the Law: A chimera
Putin: Ilyushin shootdown is incidental
Russia sees Israel as enemy after Il-20 shootdown
Kremlin refuses to announce Russia's further steps against Israel over Il-20 shootdown
Will USA strike Russian forces in Syria?
How Russia can respond to Israel following Ilyushin Il20 shootdown
How Russia can respond to Israel following Ilyushin Il20 shootdown
Russia tests unique invisible missiles during Vostok 2018 war games
Kremlin refuses to announce Russia's further steps against Israel over Il-20 shootdown
Kremlin refuses to announce Russia's further steps against Israel over Il-20 shootdown
Putin: Ilyushin shootdown is incidental
How Russia can respond to Israel following Ilyushin Il20 shootdown
How Russia can respond to Israel following Ilyushin Il20 shootdown
How Russia can respond to Israel following Ilyushin Il20 shootdown
Kremlin refuses to announce Russia's further steps against Israel over Il-20 shootdown
Kremlin refuses to announce Russia's further steps against Israel over Il-20 shootdown
How Russia can respond to Israel following Ilyushin Il20 shootdown
Israel's Netanyahu calls Putin, blames Syria for Il-20 crash
How Russia can respond to Israel following Ilyushin Il20 shootdown
How Russia can respond to Israel following Ilyushin Il20 shootdown
How Russia can respond to Israel following Ilyushin Il20 shootdown