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open access

Our Changing Planet: The U.S. Climate Change Science Program for Fiscal Year 2010

Description: The report describes the activities and plans of the Climate Change Science Program (CCSP), which incorporates the U.S. Global Change Research Program established under the Global Change Research Act of 1990, and the Climate Change Research Initiative that was established by the President in 2001. CCSP coordinates and integrates scientific research on climate and global change supported by 13 participating departments and agencies of the U.S. Government. The document highlights recent advances … more
Date: September 2009
Creator: U.S. Global Change Research Program and Subcommittee on Global Change Research
open access

The Regional Impacts of Climate Change: An Assessment of Vulnerability

Description: The Intergovernmental Panel on Climate Change (IPCC) was jointly established by the World Meteorological Organization and the United Nations Environment Programme in 1988 to assess the scientific and technical literature on climate change, the potential impacts of changes in climate, and options for adaption to and mitigation of climate change. Since its inception, the IPCC has produced a series of Assessment Reports, Special Reports, Technical Papers, methodologies and other products which hav… more
Date: November 1997
Creator: Watson, Robert T.; Zinyowera, Marufu C.; Moss, Richard H. & Dokken, David J.
open access

Our Changing Planet: The U.S. Climate Change Science Program for Fiscal Years 2004 and 2005

Description: This edition of Our Changing Planet includes a review of the Strategic Plan for the U.S. Climate Change Science Program (CCSP) from 2003 and outlines how the CCSP is moving forward to implement the Strategic Plan during FY 2004 and FY 2005. As a part of this implementation, the report announces the production of 21 scientific syntheses and assessments on a range of topics to support informed discussion of climate variability and associated issues by decision makers and the public.
Date: July 2004
Creator: Climate Change Science Program (U.S.)
open access

Our Changing Planet: The U.S. Climate Change Science Program for Fiscal Year 2006

Description: This Fiscal Year 2006 edition of Our Changing Planet describes a wide range of new and emerging observational capabilities which, combined with the Climate Change Science Program’s analytical work, lead to advances in understanding the underlying processes responsible for climate variability and change. The report highlights progress being made to explore the uses and limitations of evolving knowledge to manage risks and opportunities related to climate variability, and documents activities to … more
Date: November 2005
Creator: Climate Change Science Program (U.S.)
open access

Our Changing Planet: The U.S. Climate Change Science Program for Fiscal Year 2008

Description: This report describes the activities and plans of the Climate Change Science Program (CCSP), which incorporates the U.S. Global Change Research Program, established under the Global Change Research Act of 1990, and the Climate Change Research Initiative, established by the President in 2001. CCSP coordinates and integrates scientific research on climate and global change supported by 13 participating departments and agencies of the U.S. Government. The document describes a wide range of advanc… more
Date: 2007
Creator: Climate Change Science Program (U.S.)
open access

Temperature Trends in the Lower Atmosphere: Steps for Understanding and Reconciling Differences

Description: This Synthesis and Assessment Product is an important revision to the conclusions of earlier reports from the U.S. National Research Council and the Intergovernmental Panel on Climate Change. Previously reported discrepancies between the amount of warming near the surface and higher in the atmosphere have been used to challenge the reliability of climate models and the reality of human-induced global warming. Specifically, surface data showed substantial global-average warming, while early vers… more
Date: April 2006
Creator: U.S. Climate Change Science Program and the Subcommittee on Global Change Research
open access

Decision-Support Experiments and Evaluations using Seasonal-to-Interannual Forecasts and Observational Data: A Focus on Water Resources

Description: This Synthesis and Assessment Product focuses on the connection between the scientific ability to predict climate on seasonal scales and the opportunity to incorporate such understanding into water resource management decisions. It directly addresses decision support experiments and evaluations that have used seasonal-to-interannual forecasts and observational data, and is expected to inform (1) decision makers about the relative success of experiences of others who have experimented with these… more
Date: January 2009
Creator: Beller-Simms, Nancy; Ingram, Helen; Feldman, David; Mantua, Nathan; Jacobs, Katharine L. & Waple, Anne M.
open access

Emissions Scenarios

Description: This Report describes climate change scenarios that extend to the end of the 21st century and how they were developed. The scenarios cover a wide range of the main driving forces of future emissions, from demographic to technological and economic developments. The set of emissions scenarios is based on an extensive assessment of the literature, six alternative modeling approaches, and an "open process" that solicited wide participation and feedback from many groups and individuals. The SRES sc… more
Date: 2000
Creator: Working Group III of the Intergovernmental Panel on Climate Change
open access

Weather and Climate Extremes in a Changing Climate. Regions of Focus: North America, Hawaii, Caribbean, and U.S. Pacific Islands

Description: This document is part of the Synthesis and Assessment Products described in the U.S. Climate Change Science Program (CCSP) Strategic Plan. Changes in extreme weather and climate events have significant impacts and are among the most serious challenges to society in coping with a changing climate. This Synthesis and Assessment Product (SAP 3.3) focuses on weather and climate extremes in a changing climate. Many extremes and their associated impacts are now changing. For example, in recent decade… more
Date: June 2008
Creator: U.S. Climate Change Science Program and the Subcommittee on Global Change Research.
open access

Abrupt Climate Change: Final Report

Description: This document is part of the Synthesis and Assessment Products (SAP) described in the U.S. Climate Change Science Program (CCSP) Strategic Plan. This report is meant to reduce uncertainty in projections of how the Earth's climate and related systems may change in the future. It provides scientific information for supporting the decision-making audience and the expert scientific and stakeholder community.
Date: December 2008
Creator: Climate Change Science Program (U.S.). Subcommittee on Global Change Research.
open access

Coastal Sensitivity to Sea-Level Rise: A Focus on the Mid-Atlantic Region

Description: This document is part of the Synthesis and Assessment Products described in the U.S. Climate Change Science Program (CCSP) Strategic Plan. The U.S. Government's CCSP is responsible for providing the best science-based knowledge possible to inform management of the risks and opportunities associated with changes in the climate and related environmental systems. To support its mission, the CCSP has commissioned 21 "synthesis and assessment products" (SAPs) to advance decision making on climate ch… more
Date: January 2009
Creator: U.S. Climate Change Science Program and the Subcommittee on Global Change Research
open access

Thresholds of Climate Change in Ecosystems

Description: This Report (SAP 4.2) focuses on the thresholds of Climate Change in Ecosystems. As defined in this Synthesis and Assessment Report, 'an ecological threshold is the point at which there is an abrupt change in an ecosystem quality, property, or phenomenon, or where small changes in one or more external conditions produce large and persistent responses in an ecosystem'.Ecological thresholds occur when external factors, positive feedbacks, or nonlinear instabilities in a system cause changes to pr… more
Date: January 2009
Creator: U.S. Climate Change Science Program and the Subcommittee on Global Change Research
open access

Land Use, Land-Use Change, and Forestry

Description: The Intergovernmental Panel on Climate Change (IPCC) Special Report on Land Use, Land-Use Change, and Forestry (SR-LULUCF) has been prepared in response to a request from the United Nations Framework Convention on Climate Change (UNFCCC) Subsidiary Body for Scientific and Technological Advice (SBSTA). At its eighth session in Bonn, Germany, 2-12 Ju and technical implications of carbon sequestration strategies related to land use, land-use change, and forestry activities. The scope, structure, a… more
Date: 2000
Creator: Working Group III of the Intergovernmental Panel on Climate Change
open access

Safeguarding the Ozone Layer and the Global Climate System: Issues related to hydrofluorocarbons and perfluorocarbons

Description: This Special Report on Safeguarding the Ozone and the Global Climate System has been developed in response to invitations from Parties to the UNFCCC and the Montreal Protocol. It provides information relevant to decision-making in regard to safeguarding the ozone layer and the global climate system: two global environmental issues involving complex scientific and technical considerations.
Date: 2005
Creator: Intergovernmental Panel on Climate Change
open access

The Effects of Climate Change on Agriculture, Land Resources, Water Resources, and Biodiversity in the United States

Description: This document is a part of the Synthesis and Assessment Products described in the U.S. Climate Change Science Program Strategic Plan. The report describes how climate affects the design, construction, safety, operations, and maintenance of transportation infrastructure and systems. The prospect of a changing climate raises critical questions regarding how alterations in temperature, precipitation, storm events, and other aspects of the climate could affect the nation's roads, airports, rail, tr… more
Date: May 2008
Creator: U.S. Climate Change Science Program and the Subcommittee on Global Change Research.
open access

Preliminary Review of Adaptation Options for Climate-Sensitive Ecosystems and Resources

Description: The U.S. Government's Climate Change Science Program (CCSP) is responsible for providing the best science-based knowledge possible to inform management of the risks and opportunities associated with changes in the climate and related environmental systems. To support its mission, the CCSP has commissioned 21 "synthesis and assessment products" (SAPs) to advance decision making on climate change-related issues by providing current evaluations of climate change science and identifying priorities … more
Date: June 2008
Creator: U.S. Climate Change Science Program and the Subcommittee on Global Change Research
open access

Effects of Climate Change on Energy Production and Use in the United States

Description: This document, part of the Synthesis and Assessment Products described in the U.S. Climate Change Science Program (CCSP) Strategic Plan. Climate affects the design, construction, safety, operations, and maintenance of transportation infrastructure and systems. The prospect of a changing climate raises critical questions regarding how alterations in temperature, precipitation, storm events, and other aspects of the climate could affect the nation's roads, airports, rail, transit systems, pipelin… more
Date: February 2008
Creator: U.S. Climate Change Science Program and the Subcommittee on Global Change Research
open access

The North American Carbon Budget and Implications for the Global Carbon Cycle

Description: A primary objective of the U.S. Climate Change Science Program (CCSP) is to provide the best possible scientific information to support public discussion, as well as government and private sector decision making, on key climate-related issues. To help meet this objective, the CCSP has identified an initial set of 21 Synthesis and Assessment Products (SAPs) that address its highest priority research, observation, and decision support needs. This report-CCSP SAP 2.2-addresses Goal 2 of the CCSP S… more
Date: November 2007
Creator: U.S. Climate Change Science Program and the Subcommittee on Global Change Research.
open access

Atmospheric Aerosol Properties and Climate Impacts

Description: This report critically reviews current knowledge about global distributions and properties of atmospheric aerosols as they relate to aerosol impacts on climate. It assesses possible steps to substantially reduce uncertainties in aerosol radiative forcing estimates.
Date: January 2009
Creator: U.S. Climate Change Science Program and the Subcommittee on Global Change Research
open access

Trends in Emissions of Ozone-Depleting Substances, Ozone Layer Recovery, and Implications for Ultraviolet Radiation Exposure

Description: This Synthesis and Assessment Product (SAP 2.4) focuses on the Climate models. Depletion of the stratospheric ozone layer by human-produced ozone-depleting substances has been recognized as a global environmental issue for more than three decades, and the international effort to address the issue via the United Nations Montreal Protocol marked its 20-year anniversary in 2007. Scientific understanding underpinned the Protocol at its inception and ever since. As scientific knowledge advanced and … more
Date: November 2008
Creator: US Climate Change Science Program and the Subcommittee on Global Change Research.
open access

Climate Models: An Assessment of Strengths and Limitations

Description: This Synthesis and Assessment Product (SAP 3.1) focuses on the Climate models. Scientists extensively use mathematical models of Earth's climate, executed on the most powerful computers available, to examine hypotheses about past and present-day climates. Development of climate models is fully consistent with approaches being taken in many other fields of science dealing with very complex systems. These climate simulations provide a framework within which enhanced understanding of climate-relev… more
Date: July 2008
Creator: Climate Change Science Program (U.S.). Subcommittee on Global Change Research.
open access

Climate Projections Based on Emissions Scenarios for Long-Lived and Short-Lived Radiatively Active Gases and Aerosols

Description: This report focuses on the Climate Projections Based on Emissions Scenarios. The influence of greenhouse gases and particle pollution on our present and future climate has been widely examined. While both long-lived (e.g., carbon dioxide) and short-lived (e.g., soot) gases and particles affect the climate, other projections of future climate, such as the IPCC reports focus largely on the long-lived gases. This U.S. Climate Change Science Program Synthesis and Assessment Product provides a diffe… more
Date: September 2008
Creator: U.S. Climate Change Science Program and the Subcommittee on Global Change Research
open access

Impacts of Climate Change and Variability on Transportation Systems and Infrastructure: Gulf Coast Study, Phase I

Description: This document, part of the Synthesis and Assessment Products described in the U.S. Climate Change Science Program (CCSP) Strategic Plan. Climate affects the design, construction, safety, operations, and maintenance of transportation infrastructure and systems. The prospect of a changing climate raises critical questions regarding how alterations in temperature, precipitation, storm events, and other aspects of the climate could affect the nation's roads, airports, rail, transit systems, pipelin… more
Date: March 2008
Creator: U.S. Climate Change Science Program and the Subcommittee on Global Change Research
open access

Uses and Limitations of Observations, Data, Forecasts, and Other Projections in Decision Support for Selected Sectors and Regions

Description: This Synthesis and Assessment Product (SAP), Uses and Limitations of Observations, Data, Forecasts, and Other Projections in Decision Support for Selected Sectors and Regions. This is part of a series of 21 SAPs produced by the CCSP aimed at providing current assessments of climate change science to inform public debate, policy, and operational decisions. This SAP focuses on the use of climate observations, data, forecasts, and other projections in decision support.
Date: August 2008
Creator: U.S. Climate Change Science Program and the Subcommittee on Global Change Research
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