Access a range of climate-related reports issued by government agencies and scientific organizations. Browse the reports listed below, or filter by scope, content, or focus in the boxes above. To expand your results, click the Clear Filters link.
This Synthesis and Assessment Product from the U.S. Climate Change Science Program reviews impacts of global climate change on three broad dimensions of the human condition: human health, human settlements, and human welfare. This report examines opportunities for adaptation and associated recommendations for addressing data gaps and near- and long-term research goals.
Scientific information about Earth's climate, water, air, land, and other dynamic processes is essential for our understanding of humankind's relationship to our natural resources and our environment. This Synthesis and Assessment Product, developed as part of the U.S. Climate Change Science Program, examines contributions of Earth science information in decision support activities and their relationship to climate change science.
Scientists use mathematical models of Earth's climate, run on the most powerful computers available, to examine hypotheses about past and present-day climates. This Synthesis and Assessment Product, developed as part of the U.S. Climate Change Science Program, describes the models and their ability to simulate climate.
This Synthesis and Assessment Product from the U.S. Climate Change Science Program provides a synthesis of the then-current knowledge of North America's carbon budget and its context within the global carbon cycle. The report provides scientific information for decision support focused on key issues for carbon management and policy.
The findings presented in this Synthesis and Assessment Product from the U.S. Climate Change Science Program draw from scenarios designed to stabilize the influence of a suite of greenhouse gases. Three climate-modeling groups independently developed a reference scenario and then developed four contrasting stabilization scenarios for comparison.
This comprehensive scientific assessment, representing the contribution of Working Group III to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change, provides an in-depth analysis of the costs and benefits of different approaches to mitigating and avoiding climate change.
This comprehensive scientific assessment of past, present, and future global climate change represents the Intergovernmental Panel on Climate Change (IPCC) Working Group I's contribution to the IPCC Fourth Assessment report (AR4). The assessment confirms that the scientific understanding of the climate system and its sensitivity to greenhouse gas emissions is richer and deeper than ever before. The chapters forming the bulk of this report describe scientists' assessment of the then state-of-knowledge in their respective fields.
This report evaluates and synthesizes knowledge on climate variability, climate change, and increased ultraviolet radiation and their consequences for the Arctic region.
This report, a Synthesis and Assessment Product from the U.S. Climate Change Science Program, addresses previously identified discrepancies between observations and simulations of surface and atmospheric temperature trends. It is an important revision to the conclusions of earlier reports from the U.S. National Research Council and the IPCC.
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