Human Mass Extintion

Several scientists claim that the sixth mass extinction of global biodiversity is already underway, and other specialists highlight the importance of the environmental impact of human activity and propose our geological era should be given a new name: Anthropocene. In this context, billionaire Elon Musk talks about making humanity multiplanetary and colonizing Mars to preserve the race. What is really going on? Has the end of planet Earth already begun, and if so, what shall we do?