The Overview is a summary of the findings of NCA4 Vol. II, as presented in Chapter 1 of the full report. Volume II of the Fourth National Climate Assessment focuses on the human welfare, societal, and environmental elements of climate change and variability for 10 regions and 18 national topics, with particular attention paid to observed and projected risks, impacts, consideration of risk reduction, and implications under different mitigation pathways. Where possible, NCA4 Vol. II provides examples of actions underway in communities across the United States to reduce the risks associated with...

The Second State of the Carbon Cycle Report (SOCCR2) provides a current state-of-the-science assessment of the carbon cycle in North America and its connection to climate and society. Information from the report is relevant to climate and carbon research as well as to management practices in North America and around the world.

As a key part of the Fourth National Climate Assessment (NCA4), the U.S. Global Change Research Program (USGCRP) oversaw the production of this stand-alone report of the state of science relating to climate change and its physical impacts. The Climate Science Special Report (CSSR) is designed to be an authoritative assessment of the science of climate change, with a focus on the United States, to serve as the foundation for efforts to assess climate-related risks and inform decision-making about responses. In accordance with this purpose, it does not include an assessment of literature on...

As a key part of the Fourth National Climate Assessment (NCA4), the U.S. Global Change Research Program (USGCRP) oversaw the production of this stand-alone report of the state of science relating to climate change and its physical impacts.The Climate Science Special Report (CSSR) is designed to be an authoritative assessment of the science of climate change, with a focus on the United States, to serve as the foundation for efforts to assess climate-related risks and inform decision-making about responses. In accordance with this purpose, it does not include an assessment of literature on...

This report was developed by the Strategic Plan Integration and Writing Teams, which report to the Subcommittee on Global Change Research and the National Science and Technology Council: Committee on the Environment, Natural Resources, and Sustainability. This report is published by the National Coordination Office for the U.S. Global Change Research Program. It meets the requirements set forth in the U.S. Global Change Research Act of 1990 (Section 102, P. L. 101-606) to provide a triennial update of the decadal National Global Change Research Plan. It does not express any regulatory policies...

This FY 2017 edition of Our Changing Planet includes an overview of the USGCRP research enterprise and recent highlights that demonstrate how the Program is fulfilling its 2012-2021 Strategic Plan. The report also spotlights progress in interagency research priority areas that intersect with President Obama's Climate Action Plan, such as Arctic research and resilience, methane cycling in the context of the carbon cycle, and water-cycle extremes and their impacts. The highlights in this Our Changing Planet report represent the broad spectrum of USGCRP activities that extend from Earth system...

Climate change threatens human health and well-being in the United States. The U.S. Global Change Research Program (USGCRP) Climate and Health Assessment has been developed to enhance understanding and inform decisions about this growing threat. This scientific assessment, called for under the President's Climate Action Plan, is a major report of the sustained National Climate Assessment (NCA) process. The report responds to the 1990 Congressional mandate to assist the Nation in understanding, assessing, predicting, and responding to human-induced and natural processes of global change. The...

El cambio climático es una amenaza para la salud y el bienestar de los seres humanos en los Estados Unidos. El Programa de los Estados Unidos de Investigación sobre el Cambio Mundial (USGCRP) llevó a cabo esta evaluación sobre el clima y la salud con la finalidad de entender esta creciente amenaza y de fundamentar las decisiones con respecto a ella. Esta evaluación científica, establecida de conformidad con el Plan de Acción del Presidente frente al cambio climático, es un informe muy importante acerca del proceso sostenido de Evaluación Nacional del Clima (NCA). El informe responde al mandato...

The U.S. Global Change Research Program (USGCRP) Climate and Health Assessment has been developed to enhance understanding and inform decisions about the growing threat of climate change to the health and well-being of residents of the United States. This scientific assessment is part of the ongoing efforts of USGCRP's sustained National Climate Assessment (NCA) process and was called for under the President's Climate Action Plan. USGCRP agencies identified human health impacts as a high-priority topic for scientific assessment. This assessment was developed by a team of more than 100 experts...

This report was prepared as part of the United States National Climate Assessment and part of the President's Climate Action Plan (PCAP). USDA led the production of the report on behalf of the thirteen Federal Agencies of the U.S. Global Change Research Program. Thirty-one authors and contributors-- representing nineteen federal, academic, nongovernmental, and intergovernmental institutions in four countries-- prepared the report.. In response to the PCAP, this report integrates research from the biophysical and the social sciences across multiple sectors in order to evaluate climate-driven...