Below are links to resources that can be used to research various aspects of climate change. Recommendations for additional links to be included can be provided in the comments section.

General Sites | Educational Series | Reports / Statements | Forcings | Effects | Miscellaneous

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General Sites

NASA: Global Climate Change: A Warming World
Climate Change at the U.S. National Academies
EPA: Climate Change
Energy Information Administration (EIA): Emissions information
U.S. Climate Change Science Program
U.S. Global Change Research Program
Intergovernmental Panel on Climate Change (IPCC)
NOAA: National Climate Data Center
NOAA: Climate
National Snow and Ice Data Center (NSIDC)
Group on Earth Observations (GEO)
AMS: Environmental Science Seminar Series (ESSS)
American Geophysical Union (AGU)
NASA: Goddard Institute for Space Studies (GISS)
NASA: Global Change Master Directory
Pew Center on Global Climate Change
National Geographic: Global Warming
Climate Change (from the journal Nature)

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Educational Series

Climate Science in a Nutshell – Utah Education Network (UEN)
Climate Change: Fitting the Pieces Together – COMET and MetEd, The University Corporation for Atmospheric Research (UCAR)
Climate Insights 101 – Pacific Institute for Climate Solutions (University of Victoria)
PHSC 13400: Global Warming – Prof. David Archer, Geophysical Sciences, University of Chicago (alternate: Open Climate Science 101)

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Reports / Whitepapers / Statements

For individual and group statements from global science academies and societies, see the consensus page.

The Global Climate 2001-2010: a decade of climate extremes – Summary Report – World Meteorological Organization (WMO) (July 2013)
High Risk Series – An Update – U.S. Government Accountability Office (GAO) (February 2013)
Can The U.S. Get There From Here – Using Existing Federal Laws and State Action to Reduce Greenhouse Gas Emissions – World Resources Institute (February 2013)
Wildlife in a Warming World – National Wildlife Federation (January 2013)
Coastal Impacts, Adaptation, and Vulnerabilities: a technical input to the 2013 National Climate Assessment – NOAA / USGS (January 2013)
National Climate Assessment (draft) – U.S. Global Change Research Program (January 2013)
Effects of Climatic Variability and Change on Forest Ecosystems – USDA (Dec 2012)
Climate Extremes – Recent Trends with Implications for National Security – Harvard University Center for the Environment (Oct 2012)
State of the Climate in 2011 – NOAA (July 2012)
U.S. Ocean Policy Report Card 2012 – Joint Ocean Commission Initiative (JOCI) (June 2012)
Global Environment Outlook (GEO) 5 – United Nations Environment Programme (UNEP) (June 2012)
Telling the Weather Story – Insurance Bureau of Canada (June 2012)
Explaining Extreme Events of 2011 from a Climate Perspective – NOAA (May 2012)
Climate Change in Selawik, Alaska – ANTHC Center for Climate and Health (May 2012)
Ecosystem Services: Charting a Path to Sustainability – U.S National Academies – Keck Futures Initiative (April 2012)
2012 U.S. Greenhouse Gas Inventory Report – U.S EPA (April 2012)
Lessons and Legacies of the International Polar Year 2007-2008 – U.S. National Research Council (NRC) (April 2012) (Report in Brief)
Statutory advice on inclusion of international aviation and shipping – Committee on Climate Change (UK) (April 2012)
Ready or Not: An Evaluation of State Climate and Water Preparedness Planning – National Resources Defense Council (NRDC) (April 2012)
Managing the Risks of Extreme Events and Disasters to Advance Climate Change Adaptation – IPCC (April 2012)
Freshwater Under Threat – Pacific Islands – U.N. Environment Programme (March 2012)
Global Risks 2012 – World Economic Forum (March 2012)
Resilient Coastal City Regions: Planning for Climate Change in the United States and Australia – Lincoln Institute of Land Policy (March 2012)
Surging Seas – Climate Central (March 2012)
Global Water Security – U.S. Intelligence Community Assessment (press release) (February 2012)
State of the Climate 2012 – CSIRO and the Australian Bureau of Meteorology (March 2012)
Climate Stabilization Targets: Emissions, Concentrations, and Impacts over Decades to Millennia (summary booklet) – U.S. National Research Council (2011)
A Risk Assessment of Climate Change and the Impact of Forest Diseases on Forest Ecosystems in the Western United States and Canada – U.S. Department of Agriculture (December 2011)
Geoengineering: A National Strategic Plan for Research on the Potential Effectiveness, Feasibility, and Consequences of Climate Remediation Technologies – Bipartisan Policy Center (October 2011)
Paying the Price: The Economic Impacts of Climate Change for Canada – National Round Table on the Environment and the Economy (Canada) (September 2011)
Water for Texas: 2012 State Water Plan (draft) – Texas Water Development Board (September 2011)
Massachusetts Climate Change Adaptation Report – Massachusetts Office of Energy and Environmental Affairs (September 2011)
Climate engineering – Technical status, future directions, and potential responses – U.S. Government Accountability Office (GAO) (July 2011)
State of the Climate in 2010 – NOAA (July 2011)
A Climate of Extreme Weather Events – Pew Center on Global Climate Change (June 2011)
Public Support for Climate and Energy Policies – Center for Climate Change Communication (June 2011)
Colorado River Basin Water Supply & Demand Study – Interim Report #1 – U.S. Department of the Interior (June 2011)
Climate Change and Your Health – Rising Temperatures, Worsening Ozone Pollution – Union of Concerned Scientists (June 2011)
America’s Climate Choices – Final Report – U.S. National Research Council (May 2011)
Climate Change in the American Mind – Center for Climate Change Communication (May 2011)
Snow, Water, Ice, Permafrost in the Arctic (SWIPA) – Arctic Monitoring and Assessment Programme (2011)
The Critical Decade – Australia Climate Commission (May 2011)
Initial Report on Federally Funded Ocean Acidification Research and Monitoring Activities and Progress in Developing a Strategic Plan – Interagency Working Group on Ocean Acidification (IWG-OA) (March 2011)
National Security Implications of Climate Change for U.S. Naval Forces – U.S. National Research Council (February 2011)
Four Degrees and Beyond – Philosophical Transactions of The Royal Society (UK) (January 2011)
Climate Change Potential Effects on Demands for US Military Humanitarian Assistance and Disaster Response – CNA Resource Analysis Division (November 2010)
A Coordinated Strategy Could Focus Federal Geoengineering Research and Inform Governance Efforts – U.S. Government Accountability Office (GAO) (September 2010)
Climate change: A Summary of the Science – The Royal Society (UK) (September 2010)
The Science of Climate change: Questions and Answers – Australian Academy of Science (August 2010)
State of the Climate in 2009 – NOAA (July 2010)
State of the Climate 2010 – CSIRO and the Australian Bureau of Meteorology (July 2010)
Evaluating Sustainability of Projected Water Demands in 2050 under Climate Change Scenarios – NRDC (Prepared by TetraTech) (July 2010)
America’s Climate Choices – Informing an Effective Response to Climate Change – U.S. National Research Council (July 2010)
America’s Climate Choices – Adapting to the Impacts of Climate Change – U.S. National Research Council (May 2010)
America’s Climate Choices – Limiting the Magnitude of Future Climate Change – U.S. National Research Council (May 2010)
America’s Climate Choices – Advancing the Science of Climate Change – U.S. National Research Council (May 2010)
Ocean Acidification: A National Strategy to Meet the Challenges of a Changing Ocean – U.S. National Research Council (April 2010)
Climate Change Indicators in the United States – U.S. EPA (April 2010)
Preliminary Observations on Geoengineering Science, Federal Efforts, and Governance Issues – U.S. Government Accountability Office (GAO) (March 2010)
Quadrennial Defense Review (QDR) – U.S. Department of Defense (February 2010)
Coastal-Change and Glaciological Map of the Palmer Land Area, Antarctica: 1947—2009 – U.S. Geological Survey (February 2010)
The Impact of Climate Change to 2030 – National Intelligence Council (2009 and 2010)
Solving the Puzzle – Researching the Impacts of Climate Change Around the World – National Science Foundation (NSF) (2009)
Recent trends in melting glaciers, tropospheric temperatures over the Himalayas and summer monsoon rainfall over India – U.N. Environment Programme (2009)
The Greenland Ice Sheet in a Changing Climate – Arctic Monitoring and Assessment Programme (2009)
The Copenhagen Diagnosis: Climate Science Report – UNSW Climate Change Research Centre (December 2009)
Antarctic Climate Change and the Environment – Scientific Committee on Antarctic Research (SCAR) (November 2009)
Ecological Impacts of Climate Change – National Academies of Science (2009)
Geoengineering the climate – Science, governance and uncertainty – The Royal Society (UK) (September 2009)
Global Climate Change Impacts in the United States – U.S. Global Change Research Program (June 2009)
The Impacts of Sea-Level Rise on the California Coast – Pacific Institute (March 2009)
Coastal Sensitivity to Sea-level Rise: A Focus on the Mid-Atlantic Region – U.S. Global Change Research Program (January 2009)
Thresholds of Climate Change in Ecosystems – U.S. Climate Change Science Program (January 2009)
Abrupt Climate Change – U.S. Climate Change Science Program (December 2008)
Analyses of the Effects of Global Change on Human Health and Welfare and Human Systems – U.S. Climate Change Science Program (September 2008)
Weather and Climate Extremes in a Changing Climate – U.S. Climate Change Science Program (June 2008)
Effects of Climate Change on Agriculture, Land Resources, Water Resources, and Biodiversity – U.S. Climate Change Science Program (May 2008)
Scientific Assessment of the Effects of Global Change on the United States – U.S. Climate Change Science Program (May 2008)
Final Commission Report – Alaska Climate Impact Assessment Commission (March 2008)
Impacts of Climate Change and Variability on Transportation Systems and Infrastructure: Gulf Coast Study – U.S. Climate Change Science Program (March 2008)
Effects of Climate Change on Energy Production in the United States – U.S. Climate Change Science Program (February 2008)
Stern Review Report on the Economics of Climate Change – UK Economics and Finance Ministry (2007)
2007 Bali Climate Declaration by Scientists
IPCC Fourth Assessment Report: Climate Change 2007 (AR4) – IPCC (2007)
Climate change controversies: a simple guide – The Royal Society (UK) (June 2007)
National Security and the Threat of Climate Change – CNA Military Advisory Board (April 2007)
Arctic Climate Impact Assessment – Arctic Council and the International Arctic Science Committee (IASC) (2005)
Abrupt Climate Change: Inevitable Surprises – National Research Council (2002)
IPCC Third Assessment Report: Climate Change 2001 (AR3) – IPCC (2001)
Climate Change Impacts on the United States – U.S. Global Change Research Program (USGCRP) (2000)
IPCC Second Assessment Report: Climate Change 1995 (AR2) – IPCC (1995)
Preparing for an Uncertain Climate – Volumes I and II – U.S. Congress Office of Technology Assessment (October 1993)
Changing by Degrees: Steps To Reduce Greenhouse Gases – U.S. Congress Office of Technology Assessment (February 1991)
IPCC First Assessment Report: Climate Change 1990 (AR1) – IPCC (1990)
Carbon Dioxide and Climate: A Scientific Assessment – U.S. National Research Council – Climate Research Board (July 1979)
The Long Term Impact of Atmospheric Carbon Dioxide on Climate – JASON (April 1979)

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Forcings

Solar Activity

Max Planck Institute for Solar System Research
Solar Data Analysis Center (SDAC) – NASA Goddard Space Flight Center
Solar Monitor – NASA Goddard Space Flight Center
Solar Constant – World Radiation Center
Solar Physics – NASA Marshall Space Flight Center
Space Weather Prediction Center – NOAA
The Eleven Year Switch – University Corporation for Atmospheric Research (UCAR)
Do Variations in the Solar Cycle Affect Our Climate System? – NASA GISS

Plate Tectonics

Geology – Plate Tectonics – University of California, Berkeley
This Dynamic Planet – Smithsonian / USGS
This Dynamic Earth – USGS
Earthquake Topics – Plate Tectonics – USGS
Earthquake and Plate Tectonics – USGS

Volcanism

Volcano Hazards Program – USGS
Forces of Nature – Volcanoes – National Geographic

Clouds

Clouds: The Wild Card of Climate Change – National Science Foundation

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Effects

Ice

Antarctica

The Cryosphere Today – University of Illinois, Urbana-Champaign
British Antarctic Survey
National Snow and Ice Data Center
NASA Cryospheric Sciences Program
Antarctic Master Directory – NASA
Antarctic Temperature Analyses (1960-2002) – University of Illinois
Discover Antarctica – National Geographic

Arctic

Arctic Climate Research – University of Illinois
Arctic Sea Ice News & Analysis – National Snow and Ice Data Center (NSIDC)
Polar Science Center – University of Washington
Arctic Monitoring and Assessment Programme
NASA Cryospheric Sciences Program
The Arctic World – Danish Meteorological Institute
State of the Canadian Cryosphere (SOCC) – Canadian Cryospheric Information Network (CCIN)
Arctic – NOAA
Arctic Institute of North America (AINA) – University of Calgary
Arctic Regional Ocean Observing System (Arctic ROOS)
Arctic Sea-Ice Monitor by AMSR-E – IARC-JAXA Information System
Arctic Sea Ice Graphs

Glaciers

Common Questions and Myths about Glaciers – USGS, Glacier and Snow Program of Alaska & Washington
Benchmark Glaciers – USGS, Glacier and Snow Program of Alaska & Washington
Glaciers and icecaps: Storehouses of freshwater – USGS
All About Glaciers – National Snow and Ice Data Center (NSIDC)
World Glacier Monitoring Service
Global Glacier Changes: facts and figures – United Nations Environment Programme (UNEP)

Permafrost

Permafrost and Frozen Ground – National Snow and Ice Data Center (NSIDC)

Water

General

Water Resources of the United States – U.S. Geological Survey (USGS)

Temperature

Argo monitoring floats – University of California, San Diego

Sea Level

Sea Level Trends – NOAA
Sea Level Change – University of Colorado, Boulder
Mean Sea Level – Archiving, Validation and Interpretation of Satellite Oceanographic data (AVISO)
Sea Level – Potsdam Institute for Climate Impact Research
Ocean Surface Topography from Space – NASA JPL
TOPEX Technology – NASA JPL
From altimetry to operational oceanography – Centre National d’Etudes Spatiales (CNES)

Ocean Acidification

The Ocean Acidification Network
PMEL Ocean Acidification Home Page – NOAA
Ocean Acidification – European Project on OCean Acidification (EPOCA)
Interagency Working Group on Ocean Acidification (IWG-OA)

Currents

World Ocean Circulation Experiment (WOCE) – NOAA
National Oceanographic Data Center (NODC) – NOAA
Ocean Currents – NASA / Smithsonian
Ocean Currents and Climate – University of Southern California

Coral Reefs

U.S. Coral Reef Task Force (USCRTF)
Coral Reef Watch – NOAA
Coral Reef Conservation Program – NOAA
The State of Coral Reef Ecosystems of the United States and Pacific Freely Associated States – NOAA: Center for Coastal Monitoring and Assessment
Coral Reef Studies – ARC Centre of Excellence
Coral Reef Ecosystem Studies (CREST) Project – USGS St. Petersburg Coastal and Marine Science Center

Plant and Animal Life

Forests / Rainforests

Climate Change Atlas – USDA Forest Service
International Union of Forest Research Organizations (IUFRO)
Tropical Deforestation – NASA Earth Observatory
Deforestation and Desertification – National Geographic

Surface Temperature

NASA Goddard Institute for Space Studies (NASA GISS)
Met Office Hadley Centre
University of Alabama, Huntsville (UAH)
Remote Sensing Systems (RSS)

Weather Events

Hurricanes / Cyclones

National Hurricane Center – NOAA
Hurricanes and Global Warming – AMS / NOAA
Hurricanes and Climate Change – U.S. Global Change Research Program

Tornadoes

Tornadoes – NOAA
Online Tornado FAQ – NOAA SPC

Droughts

National Integrated Drought Information System (NIDIS)
Droughts – NOAA
Desert Action – European Drought Observatory

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Miscellaneous

Carbon Cycle

Carbon Cycle – NASA Earth Observatory

Science Journals

ISI Web of Science – Journal List
Science
Nature
Geophysical Research Letters

Paleoclimate

Paleoclimatology – NOAA