In the year 2100 the Earth would be 2 billion refugees — because of the rise of the water level

In the year 2100, 2 billion people — about one-fifth of the world’s population — could become refugees because of rising sea levels. Those who once lived on the coastal lines will face challenges of displacement and relocation in the search for habitable places away from the sea.

“We will have more people and less land, quicker than we think,” says the author on this subject, Charles Geisler, Professor Emeritus of development sociology at Cornell University.

“The future increase in global mean sea level is likely to be sharp. But few politicians evaluate the substantial obstacles of climate refugees in coastal area, who will try to migrate to higher ground.”

What Earth will be like in 2100?

It is expected that by 2050 the world population will increase to 9 billion people and by 2100 up to 11 billion. To supply this population will need more arable land, because of expanding oceans will absorb the fertile coastal areas and river deltas, forcing people to look for new places to stay.

“Clash of forces, human fertility, flooding of coastal areas, the flight of the residential areas and resettlement issues in the interior of the earth will become a huge problem. According to our estimates, the earth can not support a new wave of climate refugees due to residual wars, depletion of natural resources, reduction in net primary productivity, desertification, urban sprawl, concentration of land, roads and storage of greenhouse gases,” says Geissler.

Scientists cite the example of possible solutions and proactive adaptation in places like Florida and China, where koordiniruyutsya policy coastal and inland land use in anticipation of weather-induced population displacement.

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