watch your step

The strange holes in the earth found in the northern tundra on Russian territory in July could mean the beginning of irreversible changes in the climate of our planet.

According to Russian scientists, the most likely reason for the formation of such holes is the emission of natural gas, which may be caused by global warming.

According to geologist Konstantin Ranks, the emission of natural gas that scholars consider the most likely explanation for the formation of the holes may be a consequence of global warming.

Russia Beyond the Headlines, 25 Jul 2014