In just 15 years, humanity may face the first signs of extinction. On it there are a number of reasons. Most countries have some problems in the economy, which could lead to a global crisis.
Constant war lead to the loss of able-bodied population. The birth rate during military conflicts is reduced. This is also reflected in the ratio of the birth rate-death rate". Previously Stephen Hawking has warned that humanity may disappear in the next 1,000 years.
A number of countries suffered from the constant natural disasters: earthquakes, tsunamis, tornadoes. The struggle with the elements every year spend a lot of money, but a visible result in this area is very difficult to achieve.
Humanity stood on the brink of extinction in 15 years, scientists say. The planet runs out of power on self-purification, in a short time the problem of life on the planet may be really relevant.