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Will the world look like in 2100?
Rising Temperatures and Sea Levels

Expect them to be the norm by 2100. Due to greenhouse gas emissions, global temperatures are on the rise. And with them, sea levels are predicted to increase, possibly by more than a meter.The median expert predicted a 20% chance of a “catastrophe” (of any kind) and a 6% chance of human extinction by 2100. The median superforecaster was more optimistic, predicting a 9% chance of catastrophe and a 1% chance of extinction by 2100. The median expert put the chance of a nuclear catastrophe by 2100 at 8%.Roughly 1.3 billion years from now, "humans will not be able to physiologically survive, in nature, on Earth" due to sustained hot and humid conditions. In about 2 billion years, the oceans may evaporate when the sun's luminosity is nearly 20% more than it is now, Kopparapu said.

What will happen to Earth in 2500 : Unless CO2 emissions drop significantly, global warming by 2500 will make the Amazon barren, the American Midwest tropical, and India too hot to live in, according to a team of international scientists.

What will humans look like in 1000000 years

Perhaps we will have longer arms and legs. In a colder, Ice-Age type climate, could we even become even chubbier, with insulating body hair, like our Neanderthal relatives

What will humans look like in 3000 : Humans in the year 3000 will have a larger skull but, at the same time, a very small brain. "It's possible that we will develop thicker skulls, but if a scientific theory is to be believed, technology can also change the size of our brains," they write.

A molecular biogerontology professor believes we've only started to move toward holding off aging, and that humans will eventually have the potential to live for 1,000 to 20,000 years.

The scientific consensus is that there is a relatively low risk of near-term human extinction due to natural causes. The likelihood of human extinction through humankind's own activities, however, is a current area of research and debate.

What will Earth be like in 50,000 years

Many scientists think that the next ice age will reach its peak in about 80,000 years [source: Revkin]. So, in 50,000 years, the planet will likely be a much colder place, with ice sheets approaching areas as far south as New York City.By the year 3000, the warming range is 1.9°C to 5.6°C. While surface temperatures approach equilibrium relatively quickly, sea level continues to rise for many centuries.Humans in the year 3000 will have a larger skull but, at the same time, a very small brain. "It's possible that we will develop thicker skulls, but if a scientific theory is to be believed, technology can also change the size of our brains," they write.

If we eliminated ageing at the cellular level, humans could live for 1,000 years to potentially as long as 20,000 years, says a professor of molecular biogerontology. One of the key factors that contribute to ageing is DNA damage. The bowhead whale has a gene called P53 that is involved in repairing DNA damage.

Can a human live 200 years : Humans' life expectancy (average) is 70-85 years. However, the oldest verified person (Jeanne Clement, 1875-1997) lived up to 122 years. As a person ages, the telomeres (chromosome ends) tend to become shorter in every consecutive cycle of replication.

What will Earth look like in 10,000 years : (It also considered scenarios in between.) In 10,000 years, if we totally let it rip, the planet could ultimately be an astonishing 7 degrees Celsius warmer on average and feature seas 52 meters (170 feet) higher than they are now, the paper suggests.

How hot was Earth 3 billion years ago

Their research suggests that Earth's surface cooled from roughly 167o F (75o C) about 3 billion years ago to roughly 95o (35o F) about 420 million years ago. These findings are consistent with previous geological and enzyme-based results.

Today, just one percent of the planet falls within so-called “barely liveable” hot zones: by 2050, the ratio could rise to almost twenty percent. In 2100, temperatures could rise so high that spending a few hours outside some major capital cities of South Asia and East Asia could be lethal.Humans' life expectancy (average) is 70-85 years. However, the oldest verified person (Jeanne Clement, 1875-1997) lived up to 122 years. As a person ages, the telomeres (chromosome ends) tend to become shorter in every consecutive cycle of replication. Also, bones start getting weaker by reducing in size and density.

Did humans live 100000 years ago : The ancient human remains that have been found so far tell us that there were at least five different kinds of human walking the Earth 100,000 years ago. The ones that look most like us were living in Africa and in the area east of the Mediterranean where Africa connects with Asia.