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Surface temperature records indicate there has been about 0.6°C rise over the past 40 years. To place this within a historical perspective, 20,000 years ago earth was at the depth of an ice age. From 20,000 to 11,000 years ago the temperature rapidly increased about 8Ã�° C. If we divide those nine thousand years into 40 year segments (to contrast with the past 40 years), we find the temperature rose about 0.04Ã�°. 0.04Ã�° every 40 years is about the fastest temperature appears to climb due to natural causes.

0.6�°/.04�° indicates present climate change is fifteen times faster than that, and our climate models indicate the change is just barely getting started. Earth should continue warming in response to elevated CO2 levels for decades to come.

No one can tell exactly how fast it will happen, every time they do a model they get a slightly different answer. Although it is too late to stop global warming, it is not too late to slow it down.

A: Most of us do not take the whole world into consideration when thinking about global warming. Just because there have been unusually warm weather where you live doesn't mean everyone is experiencing warmer weather. On the other side of the world they could be having unusually cold weather. "Global warming" only means the overall average temperature continues an upward trend.

Although the ice caps are melting, that doesn't mean they will shortly disappear. There are seasonal variations--as the south polar cap (Antarctica) grows the north polar cap shrinks, and vice versa. Antarctica currently is growing in extent on the east side, while continuing to shed mass (lose volume) overall. A: Global warming is happening as you read this. Global warming is happening fast and quickly and will not stop until we implement solutions. A: The more greenhouse gas pollution we put in the air the faster global warming will occur.

Answer from the IPCC working group 1

The physical science basis (see link): "For the global average, warming in the last century has occurred in two phases, from the 1910s to the 1940s (0.35�°C), and more strongly from the 1970s to the present (0.55�°C). An increasing rate of warming has taken place over the last 25 years, and 11 of the 12 warmest years on record have occurred in the past 12 years....[In addition to Instrumental records] confirmation of global warming comes from warming of the oceans, rising sea levels, glaciers melting, sea ice retreating in the Arctic and diminished snow cover in the Northern Hemisphere."

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9y ago
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12y ago

Global warming is already happening. We are already seeing glaciers retreating, polar ice melting, hottest year records regularly being broken. Scientists have been hoping that the temperature will not rise more than 2 degrees Celsius, but many are saying it's already too late for that.

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14y ago

Global warming will happen less than 10 years

Global Warming is already happening but in the future it is going to get worse. Global warming is a major event that could change everything about the earth.

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6y ago

Yes. Global warming is not just something scientists predict to happen in the future - it is happening right now. The last ten years were the warmest since instrumental records began in 1850.

A:We have the evidence, But we just don't want to believe it. So it is happening, but you just don't want to believe it, like me.
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12y ago

very very slow at this rate it wont be a massive problem within our lifetimes

A:In previous periods of global temperature change, this happened quite slowly, over periods of many centuries, so that species had time to evolve or adapt.

The present anthropogenic global warming is happening alarmingly fast, and scientists say there will be widespread species extinctions within the present century. Those of us who are past childhood and early adulthood probably have less to fear from the consequences of global warming and can focus on the short-term economic advantages of doing nothing, but for our grandchildren the consequences will be very real.

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10y ago

Global warming is happening all round the world. That is the meaning of the world, global. Winds blow carbon dioxide pollution all round the world, so even Antarctica, where there are no emissions, is experiencing the warming.

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9y ago

Since the beginning of the Industrial Revolution, 200 years ago, when we first began burning fossil fuels (coal, oil and natural gas).

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15y ago

Pretty fast. So fast that you can't even see it. Bout a hunerd therty miles per hour. im just guessin.

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6y ago
  • About four to seven degrees Celsius over about 5,000 years.
  • About 1 degree Celsius over the past 100 years, so much faster than usual.
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Q: Does global warming happen fast or slow?
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Is global warming rapid or slow changes?

rapid


What are the consequences of trying to stop global warming?

The consequences might be that we do manage to stop, or at least slow global warming. But if we don't try, then global warming definitely won't stop.


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Is global warming a rapid or slow change?

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How can i slow down global warming?

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What is called global warming?

Global warming is the slow, steady increase in global temperatures. It is caused by increased levels in carbon dioxide and other pollutants caused by things like factories, and transportation.


What will happen to the UK's agriculture if global warming continues?

We don't know. Global warming may cause the Gulf Stream, which keeps the UK warm, to slow or stop. This would make Britain colder than it is now. However, if global warming continues Britain will then become warmer and warmer. There may be more rain or less rain. All this will cause problems for farmers and agriculture.