Good point, Mike! John.
Quoting "Mike MacCracken" <[EMAIL PROTECTED]>: > For those activities aimed at reducing the intensity of some major impacts > (e.g., limiting Arctic warming, limiting ocean warming in regions of > hurricane intensification, limiting ocean acidification), I think a more > appropriate term might well be "impact intervention"--save "geoengineering," > "climate restoration," and "global temperature stabilisation" for the > efforts (e.g., by global sulfate injection, mirrors in space, etc.) to limit > global climate change. > > Mike MacCracken > > On 11/25/08 10:26 AM, "John Latham" <[EMAIL PROTECTED]> wrote: > >> >> >> Hello John, Ken et al., >> >> I've always liked "climate restoration" because - though we'll never >> achieve it precisely - it's what we're seeking, and is much less >> likely to scare the pants off the public than the imperious >> "geo-engineering". >> >> But when we're trying to be as exact as possible my choice is "global >> temperature stabilisation". It is, in principle, possible to hold the >> Earth's average temperature (however it's defined) constant: whereas >> we can't restore the climate to exactly as it was - at least with >> current ideas & technology. >> >> I think both these terms have their place: to be determined by >> circumstances. >> >> Cheers, John. >> >> ***************** >> >> Quoting "John Nissen" <[EMAIL PROTECTED]>: >> >>> Hi Ken, >>> >>> Finding the right terminology is important in persuading people that >>> what you are doing is sensible. >>> >>> "Cooling" and "refrigeration" could bring fears of overdoing the >>> geoengineering, e.g. accidentally triggering an Ice Age (as some >>> journalists worry!). >>> >>> I prefer the term "climate stabilisation". We may need to cool the >>> Arctic well below its current temperature in order for the sea ice >>> to reform, but for non-polar regions (i.e. most of the rest of the >>> world), our initial aim should be to halt global warming - no more, >>> no less. Basically the idea is to stop things getting worse. >>> >>> But an even better term might be "climate restoration", as we'd like >>> to stop droughts rather than prolong them, restore the Arctic to a >>> former condition, reverse the spread of deserts, etc. Thus, if >>> possible, we could produce regional effects on climate for the >>> benefit of those regions that have been already adversely affected >>> by global warming. BTW, this is where marine cloud brightening >>> could prove invaluable. >>> >>> Politically, I think "restoration" has the better connotations and >>> sounds more valuable. And it leaves open the door to negotiate how >>> far the restoration and to what original state/date (e.g. 80% >>> towards pre-industrial). >>> >>> Cheers, >>> >>> John >>> >>> >>> ----- Original Message ----- >>> From: Ken Caldeira >>> To: geoengineering >>> Sent: Tuesday, November 25, 2008 9:10 AM >>> Subject: [geo] the science and technology of climate cooling ??? >>> >>> >>> I'd like to toss two other names into the ring for direct >>> interventions into the climate system designed to cool Earth's >>> climate: >>> >>> 1. Climate refrigerators produce climate refrigeration >>> >>> Literally, "to refrigerate" means in its original sense is "to >>> cool again". With threatened loss of Arctic systems, "cooling >>> again" is likely to be the goal. >>> >>> 2. Climate cooler or climate cooling -- Colloquially, a "cooler" >>> is a "refrigerator" . With the Arctic losses, we may look to the >>> science and technology of climate cooling to reverse some of the >>> effects of global warming. >>> >>> ___________________________________________________ >>> Ken Caldeira >>> >>> Carnegie Institution Dept of Global Ecology >>> 260 Panama Street, Stanford, CA 94305 USA >>> >>> [EMAIL PROTECTED]; [EMAIL PROTECTED] >>> http://dge.stanford.edu/DGE/CIWDGE/labs/caldeiralab >>> +1 650 704 7212; fax: +1 650 462 5968 >>> >>> >>> >>> >>>> >>> >> >> >> >> >> > > > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "geoengineering" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/geoengineering?hl=en -~----------~----~----~----~------~----~------~--~---
