Anthropogenic Greenhouse Gases and US Climate: Evidence and Impacts

Webcast

Public Release: Effects of Human-Caused Greenhouse Gas Emissions on U.S. Climate, Health, and Welfare

September 17, 2025

1:00 PM - 2:00 PM (ET)

Past

Materials

Report Release Slides: GHG Emissions Effects 2025

About

On Wednesday, September 17, 2025, the National Academies of Sciences, Engineering, and Medicine released the consensus report: Effects of Human-Caused Greenhouse Gas Emissions on U.S. Climate, Health, and Welfare. This study reviews the latest scientific evidence on whether greenhouse gas emissions are reasonably anticipated to endanger public health and welfare in the United States.

The recording of the public briefing can be viewed below. The Report Release presentation (PDF) is also available for download.

Additional Information

Is it a Closed Session event?

Not Closed

Contact

Amanda Staudt

Disclaimer

It is essential to the National Academies mission of providing evidence-based advice that participants in any of our meetings or events avoid political or partisan statements or commentary and maintain a culture of mutual respect. The statements and presentations during our meetings or events are solely those of the individual participants and do not necessarily represent the views of other participants or the National Academy of Sciences, which is a non-partisan, tax exempt organization that includes under its Charter the National Academy of Engineering and National Academy of Medicine, and that operates the National Research Council.

Meeting Closed

Anthropogenic Greenhouse Gases and US Climate: Evidence and Impacts (Virtual Meeting #5)

September 12, 2025

2:00 PM - 3:00 PM (ET)

Past

About

The committee met in closed session to conduct a discussion of report finalization.

Additional Information

Is it a Closed Session event?

Institution Closed

The following committee members were present at the closed sessions of the event

Dr. Shirley Tilghman
Dr. Graeme Stephens
Dr. Susan Hanson
Mr. Arthur Lee
Dr. Charles Rice
Dr. Charles Driscoll
Dr. Chris Hendrickson
Dr. David Allen
Dr. David Titley
Dr. Drew Shindell
Dr. George Hornberger
Dr. John Wall
Dr. Marika Holland
Dr. Susan Anenberg

The following topics were discussed in the closed sessions:

The committee met in closed session to conduct a discussion of report finalization.

The following materials (written documents) were made available to the committee in the closed sessions:

N/A

Date of posting of Closed Session Summary:

September 12, 2025

Contact

Amanda Staudt

Disclaimer

It is essential to the National Academies mission of providing evidence-based advice that participants in any of our meetings or events avoid political or partisan statements or commentary and maintain a culture of mutual respect. The statements and presentations during our meetings or events are solely those of the individual participants and do not necessarily represent the views of other participants or the National Academy of Sciences, which is a non-partisan, tax exempt organization that includes under its Charter the National Academy of Engineering and National Academy of Medicine, and that operates the National Research Council.

Meeting Closed

Anthropogenic Greenhouse Gases and US Climate: Evidence and Impacts (Virtual Meeting #4)

September 8 - 9, 2025

Past

About

Committee met in closed session to discuss report contents and response to review.

Additional Information

Is it a Closed Session event?

Institution Closed

The following committee members were present at the closed sessions of the event

Dr. Shirley Tilghman
Dr. David Allen
Dr. Susan Anenberg
Dr. Michele Barry
Dr. Charley Driscoll
Dr. Susan Hanson
Dr. Chris Hendrickson
Dr. George Hornberger
Dr. Marika Holland
Mr. Arthur Lee
Dr. Kari Nadeau
Dr. Charles Rice
Dr. Drew Shindell
Dr. Graeme Stephens
Dr. David Titley
Dr. John Wall

The following topics were discussed in the closed sessions:

Committee met in closed session to discuss report contents and response to review.

The following materials (written documents) were made available to the committee in the closed sessions:

N/A

Date of posting of Closed Session Summary:

September 09, 2025

Contact

Amanda Staudt

Disclaimer

It is essential to the National Academies mission of providing evidence-based advice that participants in any of our meetings or events avoid political or partisan statements or commentary and maintain a culture of mutual respect. The statements and presentations during our meetings or events are solely those of the individual participants and do not necessarily represent the views of other participants or the National Academy of Sciences, which is a non-partisan, tax exempt organization that includes under its Charter the National Academy of Engineering and National Academy of Medicine, and that operates the National Research Council.

Meeting Closed

Anthropogenic Greenhouse Gases and US Climate: Evidence and Impacts (Meeting 3)

September 1 - 3, 2025

Past

About

Closed session meetings Monday 9/1, Tuesday 9/2, and Wednesday 9/3 to work on the draft report.

Additional Information

Is it a Closed Session event?

Institution Closed

The following committee members were present at the closed sessions of the event

Dr. Shirley Tilghman
Dr. David Allen
Dr. Susan Anenberg
Dr. Michele Barry
Dr. Charley Driscoll
Dr. Susan Hanson
Dr. Chris Hendrickson
Dr. Marika Holland
Dr. George Hornberger
Mr. Arthur Lee
Dr. Kari Nadeau
Dr. Charles Rice
Dr. Drew Shindell
Dr. Graeme Stephens
Dr. David Titley
Dr. John Wall

The following topics were discussed in the closed sessions:

The committee worked on and discussed the draft report.

The following materials (written documents) were made available to the committee in the closed sessions:

N/A

Date of posting of Closed Session Summary:

September 03, 2025

Contact

Amanda Staudt

Location

National Academy of Sciences Building

2101 Constitution Ave NW

Washington DC 20418, USA

Disclaimer

It is essential to the National Academies mission of providing evidence-based advice that participants in any of our meetings or events avoid political or partisan statements or commentary and maintain a culture of mutual respect. The statements and presentations during our meetings or events are solely those of the individual participants and do not necessarily represent the views of other participants or the National Academy of Sciences, which is a non-partisan, tax exempt organization that includes under its Charter the National Academy of Engineering and National Academy of Medicine, and that operates the National Research Council.

Meeting Closed

Anthropogenic Greenhouse Gases and US Climate: Evidence and Impacts (Virtual Meeting #2)

August 25 - 26, 2025

Past

About

The committee is meeting in closed session to conduct the discussion on their composition, balance, and conflicts of interest and to discuss the statement of task.

Additional Information

Is it a Closed Session event?

Institution Closed

The following committee members were present at the closed sessions of the event

Dr. Shirley Tilghman
Dr. David Allen
Dr. Susan Anenberg
Dr. Michele Barry
Dr. Charles Driscoll
Dr. Susan Hanson
Dr. Chris Hendrickson
Dr. Marika Holland
Dr. George Hornberger
Mr. Arthur Lee
Dr. Kari Nadeau
Dr. Charles Rice
Dr. Drew Shindell
Dr. Graeme Stephens
Dr. David Titley
Dr. John Wall

The following topics were discussed in the closed sessions:

The committee finished their discussion on composition, balance, and conflicts of interest. The committee then discussed the statement of task, developed the report outline, and assigned writing sections for members.

The following materials (written documents) were made available to the committee in the closed sessions:

N/A

Date of posting of Closed Session Summary:

August 28, 2025

Contact

Amanda Staudt

Disclaimer

It is essential to the National Academies mission of providing evidence-based advice that participants in any of our meetings or events avoid political or partisan statements or commentary and maintain a culture of mutual respect. The statements and presentations during our meetings or events are solely those of the individual participants and do not necessarily represent the views of other participants or the National Academy of Sciences, which is a non-partisan, tax exempt organization that includes under its Charter the National Academy of Engineering and National Academy of Medicine, and that operates the National Research Council.

Meeting Closed

Anthropogenic Greenhouse Gases and US Climate: Evidence and Impacts (Virtual Meeting #1)

August 20, 2025

10:00 AM - 12:30 PM (ET)

Past

About

The committee is meeting in closed session to conduct the discussion on their composition, balance, and conflicts of interest.

Additional Information

Is it a Closed Session event?

Institution Closed

The following committee members were present at the closed sessions of the event

Dr. Shirley Tilghman
Dr. David Allen
Dr. Susan Anenberg
Dr. Michele Barry
Dr. Charles Driscoll
Dr. Chris Hendrickson
Dr. Marika Holland
Dr. George Hornberger
Mr. Arthur Lee
Dr. Kari Nadeau
Dr. David Titley
Dr. John Wall

The following topics were discussed in the closed sessions:

The committee met in closed session to conduct the composition and balance discussion and plan for next steps in the report process.

The following materials (written documents) were made available to the committee in the closed sessions:

N/A

Date of posting of Closed Session Summary:

August 28, 2025

Contact

Amanda Staudt

Disclaimer

It is essential to the National Academies mission of providing evidence-based advice that participants in any of our meetings or events avoid political or partisan statements or commentary and maintain a culture of mutual respect. The statements and presentations during our meetings or events are solely those of the individual participants and do not necessarily represent the views of other participants or the National Academy of Sciences, which is a non-partisan, tax exempt organization that includes under its Charter the National Academy of Engineering and National Academy of Medicine, and that operates the National Research Council.

Log In

Sign in to access your saved publications, downloads, and email preferences.

Former MyNAP users: You'll need to reset your password on your first login to MyAcademies. Click "Forgot password" below to receive a reset link via email. Having trouble? Visit our FAQ page to contact support.

Members of the National Academy of Sciences, National Academy of Engineering, or National Academy of Medicine should log in through their respective Academy portals.

Email (required)
Password (required)

Don't have an account?

Register

Email (required)
New password (required)
Retype password (required) Password must be at least 8 characters
I accept the terms of use
terms of use

Thank You

Thank you for creating a MyAcademies account!

Enjoy free access to thousands of National Academies' publications, a 10% discount off every purchase, and build your personal library.

Forgot Password

Enter the email address for your MyAcademies (formerly MyNAP) account to receive password reset instructions.

Reset Requested

We sent password reset instructions to your email . Follow the link in that email to create a new password. Didn't receive it? Check your spam folder or contact us for assistance.

Reset Password

New password (required)
Retype password (required) Password must be at least 8 characters

Reset Password

Your password has been reset.

Log In

Verify email

Verify Your Email Address

We sent a verification link to your email. Please check your inbox (and spam folder) and follow the link to verify your email address. If you did not receive the email, you can request a new verification link below

Subscribe

First Name
Last Name
Email (required)
I agree to receive emails from the National Academies (required)

We respect your privacy and will never share your information.

My Academies

Anthropogenic Greenhouse Gases and US Climate: Evidence and Impacts

Dropdown items

Public Release: Effects of Human-Caused Greenhouse Gas Emissions on U.S. Climate, Health, and Welfare