The deep, crater-like holes may be giant methane blowholes caused by the melting of permafrost.
August 4, 2014 |
Originally published by EcoWatch.
Education for attitude change, critical, transformative pedagogy and making a difference
The deep, crater-like holes may be giant methane blowholes caused by the melting of permafrost.
August 4, 2014 |
Originally published by EcoWatch.
Education for Sustainable Development 
