Special Reports

Shifting Snowlines and Shorelines: The Intergovernmental Panel on Climate Change’s Special Report on the Ocean and Cryosphere and Implications for Washington State (2020)

Climate change is altering the cryosphere (Earth’s frozen regions) and the ocean, which in turn affects our communities, economies and the environment. Drawing on recent data from the IPCC as well as research from the Climate Impacts Group, this brief overviews the importance of the ocean and cryosphere, how they are being affected by human activity and what we stand to lose if we don’t act now. This 10-page brief is intended to guide regional planners, land managers, scientists and members of the public in making decisions to build a climate-resilient Northwest.

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No Time to Waste. The IPCC Special Report on Global Warming of 1.5ºC Implications for Washington State

The Intergovernmental Panel on Climate Change’s Special Report on Global Warming of 1.5°C, describes the expected impacts of 1.5°C and 2°C of warming and outlines global greenhouse gas emission reduction pathways that could limit warming to those levels. This brief summarizes the Special Report (SR15) and related consequences for Washington state.

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Projected Sea Level Rise for Washington State – A 2018 Assessment (2018)

This report provides community-scale sea level rise projections out to the year 2150 for 171 different locations around coastal Washington. For each location, this report assesses the likelihood that sea level rise will reach or exceed a certain level relative to the present. This probabilistic approach is designed to support direct application in risk management and planning.

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State of Knowledge Report
State of Knowledge: Climate Change in Puget Sound (2015)

This report summarizes the current state of knowledge concerning observed and likely future climate trends and their effects on the lands, waters and people of the Puget Sound region.

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Climate Change Impacts and Adaptation in Washington State: Technical Summaries for Decision Makers (2013)

This report summarizes existing knowledge about the likely effects of climate change on Washington State and the Pacific Northwest.

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Climate Change in the Northwest

Northwest Climate Assessment Report (2013)

This report serves as an updated resource for scientists, stakeholders, decision makers, students, and community members interested in understanding and preparing for climate change impacts on Oregon, Washington, and Idaho. This report is intended to support the key findings presented in the Northwest chapter of the Third National Climate Assessment.


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Washington Climate Change Impacts Assessment (2009)

The Washington Climate Change Impacts Assessment is a comprehensive look at how climate change may affect key sectors of Washington’s natural and built environment, including agriculture, coasts, energy, forests, human health, salmon, urban stormwater infrastructure, and water supply. Funding for the study was provided by the Washington State Legislature.

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Preparing for Climate Change cover

Preparing for Climate Change: A Guidebook for Local, Regional, and State Governments (2007)

This guidebook is designed to help local, regional, and state governments prepare for climate change by recommending a detailed, easy-to-understand process for climate change preparedness based on familiar resources and tools.

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