Re: Biggest rise in CO2 for 800,000 years

iiiiDougiiii wrote:
http://news.independent.co.uk/environment/article1362736.ece

" The rapid rise in greenhouse gases over the past century is
unprecedented in at least 800,000 years, according to a study of the
oldest Antarctic ice core which highlights the reality of climate
change.

Air bubbles trapped in ice for hundreds of thousands of years have
revealed that humans are changing the composition of the atmosphere in
a manner that has no known natural parallel.

Scientists at the British Antarctic Survey (BAS) in Cambridge have
found there have been eight cycles of atmospheric change in the past
800,000 years when carbon dioxide and methane have risen to peak
levels.

Each time, the world also experienced the relatively high temperatures
associated with warm, inter-glacial periods, which were almost
certainly linked with levels of carbon dioxide and possibly methane in
the atmosphere.

However, existing levels of carbon dioxide and methane are far higher
than anything seen during these earlier warm periods, said Eric Wolff
of the BAS..."

Great, another ice age on the cards then...

--
Abo

www.pickuptruckracing.com

'You see, birds fall from the windowledge above mine
Then they flap their wings at the last second'


.

Relevant Pages

  • Global Warming May Cancel Next Ice Age Sez Limey Researcher
    ... All that carbon dioxide we've emitted into the atmosphere could mean no more ice ages any time soon, ... Most research into the effects of the carbon dioxide accumulating in our atmosphere has looked ahead only to the next century or two. ... The effects of burning fossil fuels today will extend long beyond the next couple of hundred years, possibly delaying the onset of Earth's next ice age, more properly called a glacial period, says researcher Toby Tyrrell of the University of Southampton in the United Kingdom. ...
    (alt.politics)
  • Re: Biggest rise in CO2 for 800,000 years
    ... revealed that humans are changing the composition of the atmosphere in ... 800,000 years when carbon dioxide and methane have risen to peak ... associated with warm, inter-glacial periods, which were almost ...
    (uk.transport)
  • Re: Dirty Snowball Worlds
    ... frozen CO2 given not-necessarily-permanent current conditions. ... Boiling point lower than that of carbon dioxide. ... methane concentration in atmosphere slowly ...
    (rec.arts.sf.science)
  • Re: OT: CO2 highest for 650,000 years
    ... Current levels of the greenhouse gases carbon dioxide and methane in the ... atmosphere are higher now than at any time in the last 650,000 years. ... That is the conclusion of new European studies looking at ice taken from ... dioxide and methane into a long-term context," said project leader Thomas Stocker from the University of Bern, Switzerland. ...
    (alt.guitar.amps)
  • Biggest rise in CO2 for 800,000 years
    ... revealed that humans are changing the composition of the atmosphere in ... 800,000 years when carbon dioxide and methane have risen to peak ... associated with warm, inter-glacial periods, which were almost ...
    (uk.transport)