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  Partner: UNT Libraries
 Serial/Series Title: Synthesis and Assessment Product
 Collection: Environmental Policy Collection
Temperature Trends in the Lower Atmosphere: Steps for Understanding and Reconciling Differences

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

Date: April 2006
Creator: U.S. Climate Change Science Program and the Subcommittee on Global Change Research
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 versions of satellite and radiosonde data showed little or no warming above the surface. This significant discrepancy no longer exists because errors in the satellite and radiosonde data have been identified and corrected. New data sets have also been developed that do not show such discrepancies. 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. For recent decades, all current atmospheric data sets now show global-average warming that is similar to the surface warming. While these data are consistent with the results from climate models at the global scale, discrepancies in the tropics remain to be resolved. Nevertheless, the most recent observational and model evidence has increased confidence in our understanding ...
Contributing Partner: UNT Libraries
Findings of the U.S. Climate Change Science Program Synthesis and Assessment Report 2.2: The First State of the Carbon Cycle Report: North American Carbon Budget and Implications for the Global Carbon Cycle

Findings of the U.S. Climate Change Science Program Synthesis and Assessment Report 2.2: The First State of the Carbon Cycle Report: North American Carbon Budget and Implications for the Global Carbon Cycle

Date: 2007
Creator: U.S. Global Change Research Program
Description: This brochure describes sources of carbon emissions in North America, and ways to remove those emissions from the atmosphere.
Contributing Partner: UNT Libraries
Scenarios of Greenhouse Gas Emissions and Atmospheric Concentrations

Scenarios of Greenhouse Gas Emissions and Atmospheric Concentrations

Date: 2007
Creator: U.S. Climate Change Science Program and the Subcommittee on Global Change Research
Description: This and a companion report constitute one of twenty-one Synthesis and Assessment Products called for in the Strategic Plan for the U.S. Climate Change Science Program. These studies are structured to provide high-level, integrated research results on important science issues with a particular focus on questions raised by decision-makers on dimensions of climate change directly relevant to the U.S. One element of the CCSP's strategic vision is to provide decision support tools for differentiating and evaluating response strategies. Scenario-based analysis is one such tool. The scenarios in this report explore the implications of alternative stabilization levels of anthropogenic greenhouse gases (GHGs) in the atmosphere, and they explicitly consider the economic and technological foundations of such response options. Such scenarios are a valuable complement to other scientific research contained in the twenty-one CCSP Synthesis and Assessment Products. The companion to the research reported here, Global-Change Scenarios: Their Development and Use, explores the broader strategic frame for developing and utilizing scenarios in support of climate decision making.
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The North American Carbon Budget and Implications for the Global Carbon Cycle

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

Date: November 2007
Creator: U.S. Climate Change Science Program and the Subcommittee on Global Change Research.
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 Strategic Plan: Improve quantification of the forces bringing about changes in the Earth's climate and related systems. The report provides a synthesis and integration of the current knowledge of the North American carbon budget and its context within the global carbon cycle. In a format useful to decision makers, it (1) summarizes our knowledge of carbon cycle properties and changes relevant to the contributions of and impacts upon North America and the rest of the world, and (2) provides scientific information for decision support focused on key issues for carbon management and policy. Consequently, this report is aimed at both the decision-maker audience and to the expert scientific and stakeholder communities.
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Abrupt Climate Change: Final Report

Abrupt Climate Change: Final Report

Date: 2008-[12]
Creator: US Climate Change Science Program and the Subcommittee on Global Change Research
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.
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Climate and Airborne Pollutants

Climate and Airborne Pollutants

Date: 2008
Creator: U.S. Global Change Research Program
Description: This brochure provides an overview of how air pollutants have an impact on climate change.
Contributing Partner: UNT Libraries
Climate Models: Frequently Asked Questions about computer climate models and their uses, strengths and limitations

Climate Models: Frequently Asked Questions about computer climate models and their uses, strengths and limitations

Date: 2008
Creator: U.S. Global Change Research Program
Description: This brochure describes methods and technologies for assessing and predicting climate change.
Contributing Partner: UNT Libraries
Human Health and Welfare and Climate Change: Summary and Findings of the U.S. Climate Change Science Program

Human Health and Welfare and Climate Change: Summary and Findings of the U.S. Climate Change Science Program

Date: 2008
Creator: U.S. Global Change Research Program
Description: This brochure summarizes a report of the same title. It describes the likely impacts of climate change on human health, and potential adaptation strategies to limit the risks and damages.
Contributing Partner: UNT Libraries
The Ozone Layer: Ozone Depletion, Recovery in a Changing Climate, and the "World Avoided"

The Ozone Layer: Ozone Depletion, Recovery in a Changing Climate, and the "World Avoided"

Date: 2008
Creator: U.S. Global Change Research Program
Description: This brochure describes the role of ozone in the stratosphere, and the effect it has on ultraviolet light, as well as how the Montreal Protocol and subsequent laws have affected ozone-depleting pollutants in the atmosphere.
Contributing Partner: UNT Libraries
Reanalysis and Attribution: Understanding How and Why Recent Climate Has Varied and Changed

Reanalysis and Attribution: Understanding How and Why Recent Climate Has Varied and Changed

Date: 2008
Creator: U.S. Global Change Research Program
Description: This brochure discusses climate change, and scientific methods of making climate observations.
Contributing Partner: UNT Libraries
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