Scientist find out the main reason of global warming on the earth

The fall of a giant asteroid to Earth 65 million years ago provoked a sharp warming of the climate. It is noteworthy that the effect lasted for 100 thousand years, according to a study of scientists from the University of Missouri (USA). After the fall of the asteroid with a diameter of seven to 14 km, the temperature on Earth rose five degrees. Experts came to this conclusion after the analysis of oxygen isotopes in the petrified remains of fish and geological sediments in Tunisia… (read more)