-- > This just in. If you have connections in TN or SD > PLEASE let themn know > it is important to make this an in-depth discussion. > > Eric Uram > Regional Representative > Sierra Club Midwest Office > > > > -----Original Message----- > > Dear SSI Member, > > We contact you today with a very important and time- > sensitive appeal. The US Senate is about to spend > a=20 > considerable amount of time discussing global > climate=20 > change. The impetus for this debate will be the > offering,=20 > expected next week, of several climate > change-related=20 > amendments to the Senate's energy bill (S-14, The > Energy=20 > Policy Act of 2003). This climate change debate is > widely=20 > recognized to be a "test" of the political strength > of the=20 > senators who are concerned about the issue, and the > debate=20 > is thus likely to influence federal climate policy > for the=20 > foreseeable future.=20 > > The stakes are high. It is vitally important that > the=20 > Senators debating this issue have a clear and > accurate=20 > understanding of the current status of climate > change=20 > science. Unfortunately, several recent efforts > to=20 > misrepresent the state of the science have been > circulated=20 > to Senate offices. These efforts include, for > example: > > * a publication from the Senate's Republican > Policy=20 > Committee on climate change, which stated "there is > no=20 > scientific consensus on climate change" and then > recycled=20 > several outdated criticisms of climate change > science;=20 > * widespread attention to two recent, subsequently > rebutted,=20 > articles that challenge the view that the late-20th > century=20 > warming is unprecedented over the past millennium; > and > * a targeted media campaign designed to give the > impression=20 > that scientific consensus is lacking on the climate > issue. > > One effective method for countering the above > attacks, which=20 > are clearly intended to influence the Senate debate, > is a=20 > strong, public show of support from the scientific > community=20 > on this issue. A letter with many expert signers > will make=20 > it difficult for the climate skeptics to advance one > of=20 > their standard counters -- which is, that rebuttals > to=20 > skeptic attacks represent only the opinions of > individual=20 > authors rather than more general scientific > agreement. The=20 > skeptics have also been dismissing documents such as > the=20 > IPCC's Third Assessment Report as merely past > scientific=20 > consensus that has been weakened by recent > research.=20 > > To present the strongest possible opinion to the > Senate as=20 > it deliberates on the climate change issue, a > sign-on letter=20 > is being circulated among the climate science > community,=20 > clarifying for the Senate the state of scientific > agreement=20 > on climate change. Please consider joining your > colleagues=20 > in this effort, and make your opinion known to the > senate.=20 > > ** The letter is appended below for your review and > possible=20 > signature. Please note that the letter is intended > as a=20 > scientific statement; it makes no endorsement for or > against=20 > any particular legislation. This is a good time to > stand up=20 > and be counted against the obfuscation and > dissembling of=20 > those who wish to maintain the status quo of heavy > fossil=20 > fuel use. Please feel free to contact us with any > questions. > > Sincerely, > Jason Mathers > Sound Science Initiative Project Assistant > Union of Concerned Scientists > Two Brattle Sq > Cambridge, MA > 617 547 5552 > [log in to unmask] > > *** HOW THE LETTER WILL BE USED > The letter will be delivered to Senate offices on > Tuesday=20 > July 29th. It may be read into the Senate > record,=20 > referenced in Senate remarks, or otherwise used in > the=20 > debate. It may also be referenced in media accounts > of the=20 > senate debate. > > *** HOW TO SIGN ONTO THE LETTER > If you are a scientist or engineer holding at least > a=20 > master's degree in a field that is relevant to > climate=20 > science or impacts, please consider signing the > letter.=20 > After your review, you can add your signature by > simply=20 > emailing your name, degree, title and department,=20 > institution (for identification purposes only), city > and=20 > state to < [log in to unmask] >.=20 > > When you send us your authorizing email, your name > will=20 > automatically become part of the sign-on letter that > will be=20 > delivered to the Senate early the week of July > 28.=20 > > *** HELP CIRCULATE THE LETTER > You can help by circulating this request to > colleagues=20 > within the US whom you think would be interested and > meet=20 > the criteria to sign on. But be sure to forward this > request=20 > TODAY! > > *** DEADLINE > The timing here is absolutely urgent, as the letter > will be=20 > delivered to the Senate the morning of Tuesday, July > 29th. =20 > We would appreciate your reply as soon as possible, > but no=20 > later than Monday July 28th at noon Eastern Time.=20 > > *** THANK YOU! > Thank you for considering this request. You and > your=20 > scientific colleagues have an important role to play > as our=20 > country grapples with complex questions about > climate change=20 > mitigation, adaptation, and energy security. > Current=20 > attempts to distort the debate must be challenged, > and sound=20 > information on climate change should guide > federal=20 > policymaking. > > ******************************************** > July 29, 2003 > > United States Senate > Washington, DC 20510 > > Dear Senators Frist and Daschle: > > Two years have elapsed since the publication of the > most=20 > recent reports by the Intergovernmental Panel on > Climate=20 > Change (IPCC) and the National Research Council > (NRC) on the=20 > state of the science of climate change and its > impacts on=20 > the United States and the rest of the world. As > scientists=20 > engaged in research on these subjects, we are > writing to=20 > confirm that the main findings of these documents > continue=20 > to represent the consensus opinion of the > scientific=20 > community. Indeed, these findings have been > reinforced=20 > rather than weakened by research reported since > the=20 > documents were released. > > In brief, the findings are that:=20 > > 1) Anthropogenic climate change, driven by emissions > of=20 > greenhouse gases, is already underway and > responsible for=20 > most of the observed warming over the last 50 years > -- the=20 > largest warming that has occurred in the Northern > Hemisphere=20 > during at least the past 1000 years;=20 > 2) Over the course of this century the Earth is > expected to=20 > warm an additional 2.5 to 10.5 =B0F, depending on > future=20 > emissions levels and on the climate sensitivity -- > a=20 > sustained global rate of change exceeding any in the > last=20 > 10,000 years; > 3) Temperature increases in most areas of the U.S. > are=20 > expected to be considerably higher than these global > means=20 > because of our nation's northerly location and large > average=20 > distance from the oceans; > 4) Even under mid-range emissions assumptions, the > projected=20 > warming would cause substantial impacts in the > U.S.,=20 > including an increased likelihood of heavy and > extreme=20 > precipitation events, exacerbated drought, and sea > level=20 > rise; > 5) Almost all plausible emissions scenarios result > in=20 > projected temperatures that continue to increase > well beyond=20 > the end of this century, raising the possibility of > eventual=20 > devastating impacts such as the disintegration of > the=20 > Greenland and Antarctic ice sheets, leading to > widespread=20 > coastal inundation; and, > 6) Due to the long lifetimes of greenhouse gases in > the=20 > atmosphere, the longer emissions increase, the > faster they=20 > will ultimately have to be decreased in order to > avoid=20 > dangerous interference with the climate system. > > Evidence that climate change is already underway > includes=20 > the instrumental record, which shows a surface > temperature=20 > rise of approximately 1=B0F over the 20th century, > the=20 > accelerated sea level rise during that century > relative to=20 > the last few thousand years, global retreat of > mountain=20 > glaciers, reduction in snow cover extent, earlier > thawing of=20 > lake and river ice, the increase in upper air water > vapor=20 > over most regions in the past several decades, and > the=20 > 0.09=B0F warming of the world's deep oceans since > the 1950's. > > Evidence that the warmth of the Northern Hemisphere > during=20 > the second half of the last century was > unprecedented in the=20 > last 1000 years comes from three major > reconstructions of=20 > past surface temperatures, which used indicators > such as=20 > tree rings, corals, ice cores, and lake sediments > for years=20 > prior to 1860, and instrumental records for the > interval=20 > between 1865 and the present. > > On the subject of human causation of this warmth, > the NRC=20 > report stated that, "The IPCC's conclusion that most > of the=20 > observed warming of the last 50 years is likely to > have been=20 > due to the increase in greenhouse gas > concentrations=20 > accurately reflects the current thinking of the > scientific=20 > community on this issue." Indeed, computer > simulations do=20 > not reproduce any of the late 20th century warmth if > they=20 > include only natural climate forcings such as > emissions from=20 > volcanoes and solar activity. The warmth is only > captured=20 > when the simulations include forcings from > human-emitted=20 > greenhouse gases present in the atmosphere. > > In summary, the main conclusions of the IPCC and NRC > reports=20 > remain robust consensus positions supported by the > vast=20 > majority of researchers in the fields of climate > change and=20 > its impacts. The body of research carried out since > the=20 > reports were issued tends to strengthen their > conclusions. > > Sincerely, > > ************** > THE SOUND SCIENCE INITIATIVE > This SSI Alert was prepared for and distributed to > UCS'=20 > Sound Science Initiative (SSI). SSI is an effective > email- based vehicle > for scientists to familiarize themselves and=20 > the public with environmental issues of global > significance,=20 > with a special focus on climate change and loss > of=20 > biological diversity. SSI also provides the tools > for=20 > individuals to respond to and influence > fast-breaking media=20 > and policy developments.=20 > > Membership in SSI is open to professionals and > graduate=20 > students in the physical, natural, and social > sciences. To=20 > learn more about or join SSI, please visit our > website at: > < > http://www.ucsusa.org/global_environment/global_warming/page.cfm?pageID=3D= > > 939 > >, > or email us at < [log in to unmask] > > > THE UNION OF CONCERNED SCIENTISTS > The Union of Concerned Scientists is a nonprofit > partnership=20 > of scientists and citizens combining rigorous > scientific=20 > analysis, innovative policy development, and > effective=20 > citizen advocacy to achieve practical > environmental=20 > solutions. To learn more about UCS, please visit us > on the=20 > web at: < http://www.ucsusa.org >. > > __________________________________ Do you Yahoo!? Yahoo! SiteBuilder - Free, easy-to-use web site design software http://sitebuilder.yahoo.com - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - To get off the IOWA-TOPICS list, send any message to: [log in to unmask]