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Earth is approaching a "critical point" in the climate change that will lead to a rapid and irreversible destruction of the environment.

This is the conclusion a team of scientists led by a biologist at UC Berkeley Anthony Barnoski. They published an article in the journal Nature.
In their view, the rapid population growth, loss of rare plant and animal species, over-exploitation of energy resources and global warming - all this leads to a massive crisis, the consequences of which will be irreversible. "The last time a similar turning point earth had passed 14 thousand years ago, from an era of glaciation. This period saw the disappearance of half of the animals, and then began to spread the human population in all continents of the world," - said the scientist.
The burning of fossil fuel carbon dioxide concentration in the atmosphere has increased by 35% compared to pre-industrial levels, as a result, the acidity of the ocean over the past 20 years has increased by 5%. Also, due to the fact that the city continues to grow and take up more space, biodiversity is significantly reduced.
The study's authors point out that population growth always increases the load on the Earth's resources. If the level of fertility in developing countries will remain the same as now, by 2050, world population will grow to 9 billion by the end of the century - up to 27 billion.
Scientists have warned that if you leave it as it is and not to take any action, global changes can occur within a few decades. "As soon as the earth will come to a critical point, it is extremely difficult or even impossible to return the planet to its former state" - leads the Sun Francisco Chronicle Barnoski words.
The fact that the human race in the coming years could face a global environmental disaster, said the first time. In April, the declaration "State of the Planet", dedicated to the next summit of the UN, it was reported that human remains just ten years to avoid a global ecological disaster, fraught with irreversible consequences. "Studies show that the continued existence of ecosystems in the form in which they supported in the last century the welfare of human civilization is at stake," - said in the document.
Last November, the International Panel on Climate Change (IPCC) has warned that global warming humanity waiting floods and droughts. And the less people are willing to face the raging elements, the greater the risk can not cope with a disaster of global proportions.
One way to avoid the collapse of the World at the beginning of the year announced at NASA. It was suggested 14 steps for monitoring greenhouse gas emissions. These measures, according to scientists, could save the planet from global warming, and will prevent the global crisis.