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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."
What else can I help you with?
Will reducing CO2 emissions reverse global warming?
Reducing CO2 emissions will help to slow global warming. To reverse global warming we would have to transfer very soon to renewable sources of energy (solar, hydro, wind, tidal, wave, geothermal and biofuels) to generate electricity and to power all our transport. We would also have to have a massive planting of trees all over the world to remove carbon dioxide from the atmosphere.
How might snowier winters slow global warming?
Snow acts as a reflector (albedo) so more of the sun's radiation will be reflected back into space instead of warming the earth.This will make a tiny difference to the speed of global warming.
When you turn off a light how does it help global warming?
When you turn off a light you are helping slow global warming by using less electricity. Most electricity is generated by burning fossil fuels (coal, oil and natural gas). This burning releases carbon dioxide, which is causing global warming.
How much ice melting due to global warming?
According to scientists, global warming is causing ice to melt at an accelerated rate worldwide. This melting is contributing to rising sea levels, which can lead to increased coastal flooding and erosion. It is essential to take action to reduce greenhouse gas emissions and slow down the rate of ice melt.
What are the consequences of trying to stop global warming?
Some potential consequences of trying to stop global warming include increased investment and innovation in clean energy technologies, reduced greenhouse gas emissions leading to improved air quality and public health, and decreased reliance on fossil fuels which can enhance energy security and reduce geopolitical tensions. Additionally, combating global warming can help protect vulnerable ecosystems and species from the impacts of climate change.
Is global warming rapid or slow changes?
rapid
What are some changes in earth's surface that are slow?
The global warming!
Is global warming a rapid or slow change?
Global warming is a rapid change. The earth's temperature has risen very fast in the past 50 years, compared to the very gradual rise over the past 12,000 years, the time of the last Ice Age.
What is a slow increase in the Earth's overall temperatures called?
Global warming.
Will the north pole melt this summer?
Nope. Global Warming is slow.
Can coastal areas enhance or slow down global warming?
yes!
How can i slow down global warming?
yes we can stop glodal warming by walking and biking instead of using the car
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.
How does junk mail prevent global warming?
Junk mail means that more trees are cut down for the paper. Trees remove carbon dioxide from the atmosphere, so trees slow global warming. If there are fewer trees, then global warming increases.
Is global warming getting worse because of humans?
Yes. But we can prevent it, stop using fossil fuels and electricity too much and hopefully global warming can slow down.
What effect do you think reducing the amounts of fossil fuels that are burned would have on acid rain and global warming?
reducing the amounts of fossil fuels is a good thing and it will help slow down the progress of global warming. Acid rain will not happen as much as it does now. But if we stop using fossil fuels and stop releasing greenhouse gases into the air. We could stop acid rain and global warming altogether. In conclusion, the more you reduce, the less acid rain and global warming.
