Dec 19: Several Democrats on   the House Natural Resources Committee, citing recent assessments by the U.S.   government of climate threats against America's natural resources, called on   committee Republicans to immediately hold hearings on climate change and   America's natural heritage. The Members said, "We believe that the Committee   should hold a comprehensive series of oversight hearings to examine the impact   of climate change and related extreme weather events on our water resources, our   forests, our wildlife and our fisheries and oceans in the new Congress. We   strongly urge you to convene such hearings and we look forward to working with   you in planning such hearings in the New Year."    
      According to a   release, a ten year assessment released by the   Forest Service (see below) on the conditions of America's Federal forests found   that climate change will decrease the amount of drinking water available from   our forests, and an increase in wildfire. And a recent report by the Department   of Interior found that the Colorado River Basin would experience huge   deficiencies in supply of water for farmers and families, in large part because   of climate change.
      Representative Ed Markey (D-MA), the   Ranking Member of the committee, was joined in the letter to Chairman Doc   Hastings (R-WA), by Representatives Raúl Grijalva (D-AZ), the Ranking Member of   the Subcommittee on National Parks, Forests and Lands, Grace Napolitano (D-CA),   the Ranking Member of the Subcommittee on Water and Power, and Gregorio Sablan   (D-MP), the Ranking Member of the Subcommittee on Fisheries, Wildlife, Oceans   and Insular Affairs.
      The Democrats said in their letter,   "We believe that the Committee should hold a comprehensive series of oversight   hearings to examine the impact of climate change and related extreme weather   events on our water resources, our forests, our wildlife and our fisheries and   oceans in the new Congress." The action mirrors similar, multiple requests from   Representative Henry Waxman (D-CA) and various Democratic members of the House   Energy and Commerce Committee for that committee to hold hearings related to   climate change and its impacts.
      The letter cites the "almost apocalyptic" weather that affected the United   States this year as one reason for concern. The Democrats focus on several   recent studies, however, that point to troubling issues for America's natural   resources, which are overseen by the committee.
      The Forest Service report notes that   while America's National Forests are the single largest source of drinking water   in the Nation, supplying water to over 66 million Americans, "The result of the   combination of increasing water demand and declining water yields is an increase   in vulnerability of the U.S. water supply to shortage, especially in the larger   Southwest and Great Plains." According to a release from the Forest Service, the   study shows the potential for significant loss of privately-owned forests to   development and fragmentation, which could substantially reduce benefits from   forests that the public now enjoys including clean water, wildlife habitat,   forest products and others. Agriculture Under Secretary Harris Sherman said, "We   should all be concerned by the projected decline in our nation's forests and the   corresponding loss of the many critical services they provide such as clean   drinking water, wildlife habitat, carbon sequestration, wood products and   outdoor recreation. Today's report offers a sobering perspective on what is at   stake and the need to maintain our commitment to conserve these critical   assets."
      The Forest Service assessment's   projections are influenced by a set of scenarios with varying assumptions about   U.S. population and economic growth, global population and economic growth,   global wood energy consumption and U.S. land use change from 2010 to 2060. Using   those scenarios, the report forecasts key trends including: Forest areas will   decline as a result of development, particularly in the South, where population   is projected to grow the most; Timber prices are expected to remain relatively   flat; Rangeland area is expected to continue its slow decline but rangeland   productivity is stable with forage sufficient to meet expected livestock grazing   demands; Biodiversity may continue to erode because projected loss of   forestland will impact the variety of forest species; and Recreation use is   expected to trend upward. 
      The Colorado River Basin study cited   by the Democrats says that there will be a reduction of 9 percent in flow   of the Colorado River over the next 50 years compared to the last 100 years, and   that droughts will be more intense. The number of people who could be affected   by shortages due to drought and demand could double to 76.5 million people by   2060, according to the report. 
      According to a release from the   Department of Interior (DOI) Bureau of Reclamation, the average imbalance in   future supply and demand is projected to be greater than 3.2 million acre-feet   by 2060. One acre-foot of water is approximately the amount of water used by a   single household in a year. The study projects that the largest increase in   demand will come from municipal and industrial users, owing to population   growth. The Colorado River Basin currently provides water to some 40 million   people, and the study estimates that this number could nearly double to   approximately 76.5 million people by 2060, under a rapid growth scenario.   
      DOI Secretary Ken Salazar said,   "There's no silver bullet to solve the imbalance between the demand for water   and the supply in the Colorado River Basin over the next 50 years -- rather,   it's going to take diligent planning and collaboration from all stakeholders to   identify and move forward with practical solutions. Water is the lifeblood of   our communities, and this study provides a solid platform to explore actions we   can take toward a sustainable water future. While not all of the proposals   included in the study are feasible, they underscore the broad interest in   finding a comprehensive set of solutions." 
      The Democrats did not mention another   very relevant study released yesterday (December 18), prepared by  the U.S.   Geological Survey (USGS), the National Wildlife Federation (NWF) and   Arizona State University in Tempe [See   WIMS 12/18/12]. The technical report on biodiversity and   ecosystems used as scientific input for the 2013 Third National Climate   Assessment indicates that plant and animal species are shifting their geographic   ranges and the timing of their life events -- such as flowering, laying eggs or   migrating -- at faster rates than researchers documented just a few years ago.   The report, Impacts   of Climate Change on Biodiversity, Ecosystems, and Ecosystem   Services, synthesizes the scientific understanding of the way climate   change is affecting ecosystems, ecosystem services and the diversity of species,   as well as what strategies might be used by natural resource practitioners to   decrease current and future risks. 
      Access a release from the House   Democrats and link to the letter (click   here). Access a release from the Forest Service and link to the   complete report (click   here). Access a release from DOI/BLM and link to the complete report   (click   here). [#Climate, #Land, #Agriculture] 
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