Sixth extinction

In the long history of our land, terrible cataclysms periodically occurred, when almost all living things on the planet died, disappeared. And then the evolution of the plant and animal world of the Earth went along a completely different, new path. Scientists called these cataclysms "mass extinctions" and have five such events. Many of the experts are convinced that in the very near future the land will be waiting for the next, sixth extinction. The Sigma group, led by its director Paynter Crowe, stands on the side of those who by all means striving to prevent a new collapse - or at least delay it. But there are such people who, on the contrary, want to bring the sixth extinction closer to closer, so that, having cleared the planet from all the superfluous, to start building the world again. And these supporters of extinction prepared a terrible surprise on earth