[Response: If there ever was a reason to be
concerned about an ice age coming (I don't think so), then the current CO2 level (380 ppm) is clearly more than enough to prevent it.
Not exact matches
But here's your question: why we should be
concerned even with the global temperature rise that has been predicted, let's say by 2050, of probably around 2 degrees C; one should understand that in the
Ice Age — the depths of the
Ice Age — the Earth was colder on a global average by
about 5 degrees C.
«[The next
ice age is] not worth worrying
about compared to immediate
concerns about damaging human - caused climate change expected over the coming decades if no action is taken to mitigate this likelihood.»
1974 Serious droughts since 1972 increase
concern about climate; cooling from aerosols is suspected to be as likely as warming; journalists talk of a new
ice age.
It's that, rather than the «
ice age» scenario, that is the thing to be
concerned about.
Of more
concern to us and perhaps Andy will write
about this is that we may be
about to experience a mini (or more)
ice age:
Below you'll hear from scientists with significant
concerns about keystone sections of the paper — on the evidence for «superstorms» in the last warm interval between
ice ages, the Eemian, and on the pace at which seas could rise and the imminence of any substantial uptick in the rate of coastal inundation.
Maybe you remember the 1970s, when scientists were
concerned about global cooling and a pending
ice age.
Serious droughts and other unusual weather since 1972 increase scientific and public
concern about climate change, with cooling from aerosols suspected to be as likely as warming; journalists talk of
ice age.
If you are
concerned about planetary climate, then it behooves you to consider the «history» of the planet before singling out something as paltry as the warming since the end of the Little
Ice Age.
Concerns about the origin of melt water pulse 1A during the end of the last
ice age led to investigation of large Antarctic melt pulses as a potential source.
Seriously — if anyone is «
concerned»
about the misleading upshot of the paper — wouldn't they be
concerned that «skeptics» read McIntyre's blog and the take home message is that he can «plainly» see that «we're headed into new
ice age?»
1974 Serious droughts since 1972 increase
concern about climate, with cooling from aerosols suspected to be as likely as warming; scientists doubt all theories as journalists talk of a new
ice age.
Regarding your
concerns about catastrophes to biosphere: since the climate in known to catasrtophically swing between
ice ages and warm
ages, the part of biosphere that was not fit to adapt to these changes has only one way - to die.
We're overdue for the return of the
ice age and should be justifiably
concerned about doing things that will hasten its return.