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Climate Change Will Be 'CATASTROPHIC' to Earth by 2100? 4 Degrees Warmer, Man Blamed for Global Warming, 'Dominant Cause'

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More and more reports are saying that human activity is the main reason for climate change and global warming, and a new study suggests that climate change may be "far worse" and "catastrophic" if it keeps increasing.

According to the Huffington Post, in a study published in the journal Nature, research found that as the planet Earth heats, fewer sunlight-reflecting clouds form, causing temperatures to rise further in an upward spiral.

Global temperatures will drastically rise by at least 4 degrees Celsius by 2100, or about 7.2 degrees Fahrenheit, the new study revealed.

That is "double" what many governments agree is the threshold for dangerous warming, which will likely make environmental shifts, including melting sea ice, and world problems, such as starvation, poverty, war, and disease, get worse.

"4C would likely be catastrophic rather than simply dangerous," lead researcher Steven Sherwood told the Guardian. "For example, it would make life difficult, if not impossible, in much of the tropics, and would guarantee the eventual melting of the Greenland ice sheet and some of the Antarctic ice sheet."

So what is the cause for global warming?

Before, it was the sun and volcanoes. But many reports now suggest that it's because of man-made emissions and greenhouse gases that are the cause for the serious threat.

In September, the Intergovernmental Panel on Climate Change unveiled that it was "extremely likely" human activity was the dominant cause of global warming, or about 95 percent certain, often the gold standard in scientific accuracy, according to the Huffington Post.

"If this isn't an alarm bell, then I don't know what one is. If ever there were an issue that demanded greater cooperation, partnership, and committed diplomacy, this is it," U.S. Secretary of State John Kerry said after the IPCC report was released.

To go along with climate change happening at an alarming rate, Climatologist James Hansen recently described the current rate of increase in human-caused global warming is:

"... equivalent to exploding 400,000 Hiroshima atomic bombs per day, 365 days per year. That's how much extra energy Earth is gaining each day."

Do you think climate change and global warming is man-made? Sound off below!

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