#6thMassExtinction It’s not asteroids or volcanoes or methane this time ‏@IrinaGreenVoice

Irina Tikhomirova ‏@IrinaGreenVoice  10h10 hours ago

#6thMassExtinction It’s not asteroids or volcanoes or methane this time. It’s us. http://www.thedailybeast.com/articles/2015/06/28/the-sixth-mass-extinction-we-aren-t-the-dinosaurs-we-re-the-asteroid.html … P©Ian Aitken