Global Warming Effects

I haven’t written about global warming for a while, so I thought it’s time I caught up with what’s going on and what are the latest Global warming effects that are changing the landscape of our planet.

Global warming effects picture

Global warming effects

After going through numerous reports and articles, I settled on this report from CNN, I hope you find it of interest.

Global warming effects is epic, long-term study says
By Ben Brumfield, CNN

(CNN) — Global warming has propelled Earth’s climate from one of its coldest decades since the last ice age to one of its hottest — in just one century.

A heat spike like this has never happened before, at least not in the last 11,300 years, said climatologist Shaun Marcott, who worked on a new study on global temperatures going back that far.

It is a good indicator of just how fast man-made climate change has progressed.

A century is a very short period of time for such a spike.

It’s supposed to be cold
The Earth was very cold at the turn of the 20th century. The decade from 1900 to 1909 was colder than 95% of the last 11,300 years, the study found.

Fast forward to the turn of the 21st century, and the opposite occurs. Between 2000 and 2009, it was hotter than about 75% of the last 11,300 years.

If not for man-made influences, the Earth would be in a very cold phase right now and getting even colder, according the joint study by Oregon State University and Harvard University.
Marcott was the lead author of the report on its results.

To boot, the range of temperatures from cold to hot produced since the industrial revolution began are about the same as the 11,000 years before it, said Candace Major from the National Science Foundation, “but this change has happened a lot more quickly.”

Global warming effects - Polar Bear picture

Global warming effects – Polar Bear

Far from natural warming
Variations in how the Earth is tilted and its orbit around the sun make for a pattern of planetary warming phases followed by cooling phases across the millennia.

The team’s research shows the Earth’s overall temperature curve dipping down over about the past 4,000 years, but the downward plod comes to an abrupt halt in modern times.

“If you were to predict — based on where we are relative to the position of the sun and how we are tilted — you would predict that we would be still cooling, but we’re not,” Marcott said.

Instead, the planet is warming up. It hasn’t been quite this warm in thousands of years. And it’s getting hotter.

By 2100, the Earth will be warmer than ever before, Marcott said.

What a long range study means
To get a view on global temperatures that long ago, the researchers studied 73 sediment and polar ice samples, taken from all over the globe.

Chemicals found in fossils deep down in the samples span the ages and are good indicators of historic temperatures on Earth, Marcott said.

Humanity in the last 11,500 years
The scientists chose the period of time known as the “Holocene” for their research, because it is the most recent natural warm phase in Earth’s history. It began at the end of the last Ice Age about 11,500 years ago, and we are still in it.

Eventually, man invented machines, landing themselves in the industrialized age, driven by engines and turbines, which are powered by combustible fuel.
Thus began man-made greenhouse gases.

The world tomorrow
The main culprit is carbon dioxide, and its levels have jumped in the last 100 years, Marcott said.

The last time Earth has been as warm as it is projected to be by 2100 was before the last Ice Age started — over 130,000 years ago

…More at Global warming is epic, long-term study says – CNN International

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2 comments
Jhon Smith

I have come to the conclusion that we all have a little blame global warming and its consequences and guilt even more politicians who do not slow down.
http://www.globalwarmingweb.com/

Reply
Anny

I have come to the conclusion that we all have a little blame global warming and its consequences and guilt even more politicians who do not slow down.

http://www.globalwarmingweb.com/

Reply
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