Tyndall Petition

The petition puts faces to the scientific agreement on the significant risks of Earth’s changing climate. Explore the petition and credentials of each signatory below.

Why was the petition Started?

According to a Yale University study, over 90% of scientists agree climate change is being caused by people yet only about 50% of the general public believes there is scientific agreement. To bridge this gap, we started the Tyndall Petition to allow climate experts to easily and publicly voice their position on climate change. Scientists have many responsibilities and public outreach is not usually one of them.

Why is it called the Tyndall Petition?

It is named after John Tyndall, a British scientist that discovered the heat-trapping properties of carbon dioxide and other greenhouse gases in 1859. He was also a skilled speaker and author, who specialized in sharing science with the public. Over his lifetime he gave hundreds of presentations and wrote over a dozen books in support of educating the public.

“There is overwhelming scientific evidence that people are warming the Earth beyond natural variability. This position is held by virtually all climate scientists, NASA, and the Intergovernmental Panel on Climate Change (the world’s most authoritative organization on climate change).

The question today is no longer if man-made climate change is happening, but how its challenges can be solved by human ingenuity. We must rapidly reduce our greenhouse gas emissions in order to minimize the significant risks of climate change, such as more extreme heat waves, prolonged droughts and severe floods. Our actions will have lasting impacts on generations to come.”

Who’s signed?

SIGNATORIES

from

INSTITUTIONS

Meet the Signatories

*Note: Website is highly preliminary & not all signatories have been uploaded

Browse by institution:

Jeremy Fyke

Jeremy Fyke

Paul Bunje

Paul Bunje

Hao Luo

Hao Luo

James Kossin

James Kossin

David Hastings

David Hastings

Francis Chen

Francis Chen

Vincent S. Saba

Vincent S. Saba

Randye Rutberg

Randye Rutberg

Bruce McCarl

Bruce McCarl

Orrin Pilkey

Orrin Pilkey

Steven Morgan

Steven Morgan

Steve Running

Steve Running

Peter Clark

Peter Clark

Thomas Ackerman

Thomas Ackerman

Ian Flitcroft

Ian Flitcroft

Dan DiResta

Dan DiResta

Elizabeth Burakowski

Elizabeth Burakowski

Julia Cole

Julia Cole

Demian Hommel

Demian Hommel

Christine Shields

Christine Shields

Tiziana Cherubini

Tiziana Cherubini

David Letson

David Letson

Sally Brown

Sally Brown

Peter Gent

Peter Gent

Kevin Trenberth

Kevin Trenberth

John Horel

John Horel

Rosana Ferreira

Rosana Ferreira

Stefan Llewellyn Smith

Stefan Llewellyn Smith

Dennis Hartmann

Dennis Hartmann

Jennifer Kay

Jennifer Kay

Guillermo Podesta

Guillermo Podesta

Chris O’Dell

Chris O’Dell

John Monteverdi

John Monteverdi

Shimon Wdowinski

Shimon Wdowinski

Carl Wunsch

Carl Wunsch

Ryan Rykaczewski

Ryan Rykaczewski

Hilary Arnold Godwin

Hilary Arnold Godwin

Shane Michael Murphy

Shane Michael Murphy

Gary Yohe

Gary Yohe

William Newman

William Newman

Petra Klein

Petra Klein

Anne Stoner

Anne Stoner

Bill Stigliani

Bill Stigliani

Nat Johnson

Nat Johnson

Daniel Jaffe

Daniel Jaffe

John Harte

John Harte

Simon de Szoeke

Simon de Szoeke

Summer Rupper

Summer Rupper

Josh Foster

Josh Foster

Yarrow Axford

Yarrow Axford

Colleen Petrik

Colleen Petrik

Cecilia Bitz

Cecilia Bitz

Ian Fenty

Ian Fenty

Graham Fogg

Graham Fogg

Anthony Barnosky

Anthony Barnosky

Justin Mankin

Justin Mankin

Igor Kamenkovich

Igor Kamenkovich

LuAnne Thompson

LuAnne Thompson

Russell Keith Monson

Russell Keith Monson

Jean Lynch-Stieglitz

Jean Lynch-Stieglitz

Andrew Thurber

Andrew Thurber

Alan Shapiro

Alan Shapiro

Janel Hanrahan

Janel Hanrahan

Jeffrey Gee

Jeffrey Gee

Edward Brook

Edward Brook

Ian Macdonald

Ian Macdonald

John Chiang

John Chiang

Michela Biasutti

Michela Biasutti

Jinbao Li

Jinbao Li

Chad A Greene

Chad A Greene

Robert Kopp

Robert Kopp

Whendee Silver

Whendee Silver

Nicholas Bond

Nicholas Bond

James White

James White

Cort Anastasio

Cort Anastasio

David Lawrence

David Lawrence

Tamay Ozgokmen

Tamay Ozgokmen

Yongxin Zhang

Yongxin Zhang

Edward Parson

Edward Parson

Naomi Henderson

Naomi Henderson

Paul Staten

Paul Staten

James Done

James Done

Adam Kent

Adam Kent

Anders Levermann

Anders Levermann

Kimberly Ellen Samuels-Crow

Kimberly Ellen Samuels-Crow

Elbert Friday

Elbert Friday

Margaret LeMone

Margaret LeMone

Ed Maurer

Ed Maurer

Ben Santer

Ben Santer

Richard Grotjahn

Richard Grotjahn

Isabel Rivera-Collazo

Isabel Rivera-Collazo

Osmund Holm-Hansen

Osmund Holm-Hansen

Kim Cobb

Kim Cobb

Sheila Griffin

Sheila Griffin

Anton Seimon

Anton Seimon

Robin Wordsworth

Robin Wordsworth

Andrew McDonnell

Andrew McDonnell

Andrew Lucas

Andrew Lucas

Manuel Lerdau

Manuel Lerdau

Petra Dekens

Petra Dekens

Kerry Emanuel

Kerry Emanuel

Fiorenza Micheli

Fiorenza Micheli

Charles Long

Charles Long

Joanie Kleypas

Joanie Kleypas

Miranda Holmes-Cerfon

Miranda Holmes-Cerfon

Hiroyuki Murakami

Hiroyuki Murakami

Danica Lombardozzi

Danica Lombardozzi

Kathy Jacobs

Kathy Jacobs

W Gary Ernst

W Gary Ernst

Rachel White

Rachel White

Paul Switzer

Paul Switzer

Eniko Szekely

Eniko Szekely

Matthew Alkire

Matthew Alkire

Daehyun Kim

Daehyun Kim

Ginny Catania

Ginny Catania

William Dewar

William Dewar

Eric Smith

Eric Smith

Eli Melaas

Eli Melaas

Nandini Ramesh

Nandini Ramesh

Kate O’Neill

Kate O’Neill

Joshua Graff Zivin

Joshua Graff Zivin

Matthew Betts

Matthew Betts

Larry Peterson

Larry Peterson

Keah Schuenemann

Keah Schuenemann

Daniel Schrag

Daniel Schrag

Mathieu Morlighem

Mathieu Morlighem

Andrew Latimer

Andrew Latimer

Mark Meo

Mark Meo

Jennifer Burney

Jennifer Burney

Terry Root

Terry Root

Reginald Barrett

Reginald Barrett

Mohamed Iskandarani

Mohamed Iskandarani

Gifford H. Miller

Gifford H. Miller

Logan Mitchell

Logan Mitchell

Jeffrey Weiss

Jeffrey Weiss

Daniel Kammen

Daniel Kammen

Gabriel Wolken

Gabriel Wolken

Steven Neshyba

Steven Neshyba

Claudia Mohr

Claudia Mohr

Sarah Truebe

Sarah Truebe

Beverly Law

Beverly Law

Sanford Sillman

Sanford Sillman

Mary Santelmann

Mary Santelmann

Jeffrey Barnes

Jeffrey Barnes

Jan Boll

Jan Boll

Justin Wettstein

Justin Wettstein

Brian Magi

Brian Magi

John Abraham

John Abraham

William Smyth

William Smyth

Alan Robock

Alan Robock

Kyle Armour

Kyle Armour

Matthias Mengel

Matthias Mengel

Oscar Schofield

Oscar Schofield

Clay Tabor

Clay Tabor

Chester Mikhail

Chester Mikhail

Wolfgang Buermann

Wolfgang Buermann

Anthony Janetos

Anthony Janetos

Richard Gammon

Richard Gammon

David Kreamer

David Kreamer

Roger Jones

Roger Jones

Timothy Bartholomaus

Timothy Bartholomaus

Roger Barry

Roger Barry

Andrew Ford

Andrew Ford

Warren Allmon

Warren Allmon

Dargan Frierson

Dargan Frierson

Michael Behrenfeld

Michael Behrenfeld

Frank Davis

Frank Davis

Xiaobiao Xu

Xiaobiao Xu

Anastasia Romanou

Anastasia Romanou

Brian Toon

Brian Toon

Brent Dalrymple

Brent Dalrymple

Sarah Purkey

Sarah Purkey

Julia Baum

Julia Baum

Elsa Cleland

Elsa Cleland

Larissa Back

Larissa Back

Douglas Martinson

Douglas Martinson

Kathleen Treseder

Kathleen Treseder

Peter Ortner

Peter Ortner

John Whitehead

John Whitehead

Raymond Najjar Jr

Raymond Najjar Jr

Steven Ghan

Steven Ghan

Daniel Bedford

Daniel Bedford

Ray Weiss

Ray Weiss

Ashok Gadgil

Ashok Gadgil

Charles Greene

Charles Greene

Claudia Benitez-Nelson

Claudia Benitez-Nelson

Christopher Rozoff

Christopher Rozoff

Mike Stukel

Mike Stukel

Lonnie Thompson

Lonnie Thompson

Jerry Smith

Jerry Smith

Courtenay Strong

Courtenay Strong

Aaron Donohoe

Aaron Donohoe

Richard Barber

Richard Barber

Andrew Meigs

Andrew Meigs

John Fasullo

John Fasullo

Edwin Gerber

Edwin Gerber

Qin Xu

Qin Xu

Mark Flanner

Mark Flanner

Scott Collins

Scott Collins

Julia Smith Wellner

Julia Smith Wellner

Alyssa Atwood

Alyssa Atwood

Charles Gertler

Charles Gertler

Joel Norris

Joel Norris

Niklas Schneider

Niklas Schneider

Kent Keller

Kent Keller

Ryan Eastman

Ryan Eastman

Kelvin Richards

Kelvin Richards

Rodrigo Bombardi

Rodrigo Bombardi

Guy Masters

Guy Masters

Beata Csatho

Beata Csatho

James Swift

James Swift

Susan Spierre

Susan Spierre

Becky Alexander

Becky Alexander

Scott Durski

Scott Durski

Eric Rignot

Eric Rignot

Page Chamberlain

Page Chamberlain

Richard Rood

Richard Rood

Rebecca Neumann

Rebecca Neumann

Eric Salathé

Eric Salathé

Jason West

Jason West

Richard Ambrose

Richard Ambrose

Hallie Eakin

Hallie Eakin

Travis Roth

Travis Roth

Stuart Evans

Stuart Evans

David Kanter

David Kanter

Aman Gupta

Aman Gupta

Jonathan Overpeck

Jonathan Overpeck

Jerald Schnoor

Jerald Schnoor

Jessica Carilli

Jessica Carilli

Evelyn Sherr

Evelyn Sherr

Gunnar Voet

Gunnar Voet

Robert Field

Robert Field

Hal Batchelder

Hal Batchelder

Kang Wang

Kang Wang

Kelsey Winsor

Kelsey Winsor

Donald Olson

Donald Olson

Peter Gerstoft

Peter Gerstoft

Amy Leventer

Amy Leventer

Jim Happell

Jim Happell

Walter Hannah

Walter Hannah

Christine Brandon

Christine Brandon

Josh Schimel

Josh Schimel

Lauren Schmeisser

Lauren Schmeisser

Jennifer Francis

Jennifer Francis

Phil Rasch

Phil Rasch

Jingfeng Wu

Jingfeng Wu

James McNerney

James McNerney

Lisa Collins

Lisa Collins

Donald Wuebbles

Donald Wuebbles

Tim Li

Tim Li

Ryan J Haupt

Ryan J Haupt

Sarah Myhre

Sarah Myhre

Jeana Mascio

Jeana Mascio

Ala Khazendar

Ala Khazendar

Lee Kump

Lee Kump

David Sandwell

David Sandwell

Maria Herrmann

Maria Herrmann

Francisco Beron-Vera

Francisco Beron-Vera

Rob Holman

Rob Holman

Jade d’Alpoim Guedes

Jade d’Alpoim Guedes

Bill Johns

Bill Johns

Claudia Czimczik

Claudia Czimczik

Stephen Palumbi

Stephen Palumbi

Janet Sprintall

Janet Sprintall

George Keller

George Keller

J. A. Rial

J. A. Rial

Ryan Fogt

Ryan Fogt

Steven Emerson

Steven Emerson

Brian Haus

Brian Haus

Brian Medeiros

Brian Medeiros

James McWilliams

James McWilliams

Matthew Kumjian

Matthew Kumjian

Susanne Benze

Susanne Benze

Anthony Fisher

Anthony Fisher

Greg McFarquhar

Greg McFarquhar

Ben Sanderson

Ben Sanderson

Sarah Gille

Sarah Gille

Ronald Drayson

Ronald Drayson

Jeffrey Severinghaus

Jeffrey Severinghaus

Steven Businger

Steven Businger

Barry Huebert

Barry Huebert

Steve Beissinger

Steve Beissinger

Gilbert Masters

Gilbert Masters

Peter Lawrence

Peter Lawrence

Leonard Sklar

Leonard Sklar

Bill Patzert

Bill Patzert

Peter Franks

Peter Franks

Laurence Delina

Laurence Delina

Zoltan Szuts

Zoltan Szuts

Glen MacDonald

Glen MacDonald

Charles Jones

Charles Jones

Ken Davis

Ken Davis

Alexey Kaplan

Alexey Kaplan

Michelle Tigchelaar

Michelle Tigchelaar

Mark Miesch

Mark Miesch

Hayley Dosser

Hayley Dosser

Michael Ross

Michael Ross

Bjoern Hagen

Bjoern Hagen

Ronald Mitchell

Ronald Mitchell

Kristen DeAngelis

Kristen DeAngelis

James Gerber

James Gerber

Ellen Mosley-Thompson

Ellen Mosley-Thompson

Henry Hespenheide

Henry Hespenheide

David Nolan

David Nolan

Monty Hempel

Monty Hempel

John Abatzoglou

John Abatzoglou

Duane Waliser

Duane Waliser

Kim Elmore

Kim Elmore

M. Y. Leclerc

M. Y. Leclerc

Michael King

Michael King

Stephanie McAfee

Stephanie McAfee

Elizabeth Maroon

Elizabeth Maroon

Jeff Baldwin

Jeff Baldwin

Paul Wright

Paul Wright

Andy Rhines

Andy Rhines

Emily Bernhardt

Emily Bernhardt

Dimitris Giannakis

Dimitris Giannakis

Charles L. Rosenfeld

Charles L. Rosenfeld

Lini Wollenberg

Lini Wollenberg

Brian Tissot

Brian Tissot

Marta Torres

Marta Torres

Marjy Friedrichs

Marjy Friedrichs

Adina Paytan

Adina Paytan

Gene Rochlin

Gene Rochlin

Mark Zelinka

Mark Zelinka

Michael Mann

Michael Mann

Darryn Waugh

Darryn Waugh

Dusan Zrnic

Dusan Zrnic

Stephen Yeager

Stephen Yeager

Rosie Fisher

Rosie Fisher

Katinka Bellomo

Katinka Bellomo

Joyce Penner

Joyce Penner

Peter Homyak

Peter Homyak

June-Yi Lee

June-Yi Lee

Paquita Zuidema

Paquita Zuidema

Katie Watkins-Brandt

Katie Watkins-Brandt

Hari M. Osofsky

Hari M. Osofsky

Valerie Eviner

Valerie Eviner

John Parker

John Parker

Kendrick Taylor

Kendrick Taylor

Ralph Keeling

Ralph Keeling

Jonathan Petters

Jonathan Petters

Richard Vance

Richard Vance

LeRoy Westerling

LeRoy Westerling

Bart Geerts

Bart Geerts

Frederic Castruccio

Frederic Castruccio

Dennis Baldocchi

Dennis Baldocchi

Sharon Stammerjohn

Sharon Stammerjohn

Colin Raymond

Colin Raymond

Greg Rouse

Greg Rouse

James Coakley

James Coakley

Olivier Pauluis

Olivier Pauluis

Shaun Marcott

Shaun Marcott

Elizabeth Deakin

Elizabeth Deakin

John Miller

John Miller

Daniel Cziczo

Daniel Cziczo

John M Wallace

John M Wallace

Xiaolin Ren

Xiaolin Ren

Mati Kahru

Mati Kahru

David Auston

David Auston

Kirk R. Smith

Kirk R. Smith

Julie Pett-Ridge

Julie Pett-Ridge

John van Leer

John van Leer

Cully Nordby

Cully Nordby

Etienne Dunn Sigouin

Etienne Dunn Sigouin

Kathleen Farley

Kathleen Farley

Rachel Storer

Rachel Storer

Jose-Luis Jimenez

Jose-Luis Jimenez

Gary Griggs

Gary Griggs

Wenjun Zhang

Wenjun Zhang

Michael Rawlins

Michael Rawlins

Deepak Rajagopal

Deepak Rajagopal

Josh McGowan

Josh McGowan

Octavio Aburto Oropeza

Octavio Aburto Oropeza

Thomas Smith

Thomas Smith

Robert Davies

Robert Davies

Mark Donelan

Mark Donelan

Laurent Pilon

Laurent Pilon

Nancy Grimm

Nancy Grimm

Charles Zender

Charles Zender

Joseph Biello

Joseph Biello

Jialin Lin

Jialin Lin

Carlos Moffat

Carlos Moffat

Gigi Owen

Gigi Owen

Claire Paris

Claire Paris

Christopher Harley

Christopher Harley

Munir Humayun

Munir Humayun

Grant W. Petty

Grant W. Petty

Yuhang Wang

Yuhang Wang

Mark Serreze

Mark Serreze

Isabel Porto Da Silveira

Isabel Porto Da Silveira

Thom Davis

Thom Davis

Sara Strey

Sara Strey

George Philander

George Philander

Jeffrey Chagnon

Jeffrey Chagnon

Mohammad Safeeq

Mohammad Safeeq

Benjamin Brown-Steiner

Benjamin Brown-Steiner

Jonathan Martin

Jonathan Martin

Robert R Gamache

Robert R Gamache

Stephen Po-Chedley

Stephen Po-Chedley

James Syvitski

James Syvitski

Susanna Hecht

Susanna Hecht

Marcus Loefverstroem

Marcus Loefverstroem

Jonathan Nash

Jonathan Nash

Bonnie Light

Bonnie Light

Erik Ivins

Erik Ivins

Megumi Chikamoto

Megumi Chikamoto

Peter Berck

Peter Berck

Nicole Lovenduski

Nicole Lovenduski

Alexander Gershunov

Alexander Gershunov

Marcia Baker

Marcia Baker

Christian Shorey

Christian Shorey

Robert Howarth

Robert Howarth

Peter J. Minnett

Peter J. Minnett

Dale Durran

Dale Durran

Simon Donner

Simon Donner

Holger Brix

Holger Brix

Drew Shindell

Drew Shindell

Arthur Mariano

Arthur Mariano

Yifan Yu

Yifan Yu

Jinwon Kim

Jinwon Kim

Curtis Deutsch

Curtis Deutsch

Richard Snyder

Richard Snyder

Eric Chassignet

Eric Chassignet

Lucinda Shellito

Lucinda Shellito

Paul Dayton

Paul Dayton

Peter Jacques

Peter Jacques

Jamie D. Mitchem

Jamie D. Mitchem

Norman L. Miller

Norman L. Miller

Joan Ramage Macdonald

Joan Ramage Macdonald

Jorie Clark

Jorie Clark

Alan Mix

Alan Mix

William Glassley

William Glassley

Anthony England

Anthony England

Sarah Principato

Sarah Principato

Erin Pettit

Erin Pettit

Kennedy Rubert-Nason

Kennedy Rubert-Nason

Daniel Tyler

Daniel Tyler

Corinne James

Corinne James

Hermann Engelhardt

Hermann Engelhardt

Harold Wanless

Harold Wanless

Dan Westervelt

Dan Westervelt

Richard Vong

Richard Vong

Russ Davis

Russ Davis

Daniel Dixon

Daniel Dixon

Susan Harrison

Susan Harrison

James Sherman

James Sherman

David Graham

David Graham

Terry Nathan

Terry Nathan

Marco Tedesco

Marco Tedesco

Paty Romero Lankao

Paty Romero Lankao

Derek Posselt

Derek Posselt

Waleed Abdalati

Waleed Abdalati

Eugene Cordero

Eugene Cordero

Robert Allen

Robert Allen

Bing Fu

Bing Fu

Michael Stenstrom

Michael Stenstrom

Isha Ray

Isha Ray

Serita D. Frey

Serita D. Frey

Michael Vardaro

Michael Vardaro

Larry Mahrt

Larry Mahrt

Zack Guido

Zack Guido

Nikolai Maximenko

Nikolai Maximenko

Junjie Zhang

Junjie Zhang

Emily Meineke

Emily Meineke

Bradley Markle

Bradley Markle

Shang-Ping Xie

Shang-Ping Xie

Anne Nolin

Anne Nolin

Allan Clarke

Allan Clarke

Dalia Patino-Echeverri

Dalia Patino-Echeverri

Jeffrey Kiehl

Jeffrey Kiehl

Mathias Vuille

Mathias Vuille

Chris Moser

Chris Moser

Benjamin Laabs

Benjamin Laabs

Jacobus Van de Kreeke

Jacobus Van de Kreeke

Bruce H Vaughn

Bruce H Vaughn

Kerry Cook

Kerry Cook

Maxwell Boykoff

Maxwell Boykoff

David Archer

David Archer

Deepti Singh

Deepti Singh

Brian Haley

Brian Haley

George Mellor

George Mellor

Robert Duncan

Robert Duncan

Karen Shell

Karen Shell

Joshua Willis

Joshua Willis

Grant Deane

Grant Deane

Daniel Rothenberg

Daniel Rothenberg

Matthew Kahn

Matthew Kahn

Catherine Gautier

Catherine Gautier

Baoqiang Xiang

Baoqiang Xiang

Jack Williams

Jack Williams

James Maslanik

James Maslanik

Lisa Ballance

Lisa Ballance

Frederick Carr

Frederick Carr

Gidon Eshel

Gidon Eshel

Bryan G. Mark

Bryan G. Mark

Hilary Palevsky

Hilary Palevsky

Paul Bierman

Paul Bierman

Alex Hall

Alex Hall

Jacob Scheff

Jacob Scheff

Matthew Alford

Matthew Alford

Dan Cayan

Dan Cayan

Marnie Jo Zirbel

Marnie Jo Zirbel

Akhilesh Mishra

Akhilesh Mishra

Ben Zuckerman

Ben Zuckerman

Iris Stewart-Frey

Iris Stewart-Frey

Steven Allison

Steven Allison

Joerg Schaefer

Joerg Schaefer

Laura Tenenbaum

Laura Tenenbaum

Brian Gaylord

Brian Gaylord

Uma Shankar

Uma Shankar

Denis Felikson

Denis Felikson

Shouraseni Sen Roy

Shouraseni Sen Roy

Kristin Poinar

Kristin Poinar

Robert Wood

Robert Wood

Jane Teranes

Jane Teranes

William Chameides

William Chameides

Jennifer Pontius

Jennifer Pontius

George Waldbusser

George Waldbusser

Huikyo Lee

Huikyo Lee

Philip Harding

Philip Harding

Dennis Hansell

Dennis Hansell

Noah Brenowitz

Noah Brenowitz

Halstead Harrison

Halstead Harrison

Arjun Heimsath

Arjun Heimsath

Paul Schopf

Paul Schopf

Ben Kirtman

Ben Kirtman

Evan Kalina

Evan Kalina

Rob Dunbar

Rob Dunbar

Zhiwei Zhu

Zhiwei Zhu

Sandra Kirtland Turner

Sandra Kirtland Turner

Nicolas Cassar

Nicolas Cassar

Julie Malmberg

Julie Malmberg

Erich Osterberg

Erich Osterberg

Jeff Salacup

Jeff Salacup

Michael Previdi

Michael Previdi

Ellen Druffel

Ellen Druffel

Alison Anders

Alison Anders

Laurie Juranek

Laurie Juranek

Shafer Smith

Shafer Smith

S. Lawrence Dingman

S. Lawrence Dingman

Arthur Miller

Arthur Miller

James Buizer

James Buizer

Paul Wapner

Paul Wapner

Roger Bales

Roger Bales

Jeremy McGibbon

Jeremy McGibbon

H. Annamalai

H. Annamalai

David Checkley

David Checkley

Scott Curtis

Scott Curtis

Jonathan Aurnou

Jonathan Aurnou

Baird Langenbrunner

Baird Langenbrunner

Sally Benson

Sally Benson

Mark Merrifield

Mark Merrifield

John Mioduszewski

John Mioduszewski

Ricardo M Letelier

Ricardo M Letelier

Qi Zhang

Qi Zhang

Andreas Schmittner

Andreas Schmittner

Michael Loik

Michael Loik

Thomas Brewer

Thomas Brewer

Josh Gellers

Josh Gellers

David J. Burdige

David J. Burdige

Burrell Montz

Burrell Montz

David Lea

David Lea

Jared H. Bowden

Jared H. Bowden

Villy Kourafalou

Villy Kourafalou

Lynne Talley

Lynne Talley

Margaret Leinen

Margaret Leinen

Eric Leibensperger

Eric Leibensperger

Daniel Neuhauser

Daniel Neuhauser

Alexander Hayes

Alexander Hayes

Stephen Price

Stephen Price

Meredith A. Kelly

Meredith A. Kelly

Angelicque White

Angelicque White

Carl Bernacchi

Carl Bernacchi

Kenneth Broad

Kenneth Broad

Philip Mote

Philip Mote

Spruce Schoenemann

Spruce Schoenemann

Karen McKinnon

Karen McKinnon

Annalisa Bracco

Annalisa Bracco

Matthias Ruth

Matthias Ruth

Raymond De Young

Raymond De Young

Kathie Dello

Kathie Dello

Benjamin Zaitchik

Benjamin Zaitchik

John Froines

John Froines

Douglas H. Clark

Douglas H. Clark

Ji Nie

Ji Nie

Marilyn Raphael

Marilyn Raphael

Amy Clement

Amy Clement

Tessa Hill

Tessa Hill

Darren Ficklin

Darren Ficklin

Angeline Pendergrass

Angeline Pendergrass

Richard York

Richard York

Brian Helmuth

Brian Helmuth

John Arnfield

John Arnfield

Peter Bogenschutz

Peter Bogenschutz

Theodore Scambos

Theodore Scambos

Nathan Sheldon

Nathan Sheldon

Lewis Fulton

Lewis Fulton

Heather Lazrus

Heather Lazrus

Jeff Weber

Jeff Weber

Donovan German

Donovan German

Michael Diamond

Michael Diamond

Catherine Degroot-Hedlin

Catherine Degroot-Hedlin

Lisa Levin

Lisa Levin

Darin Toohey

Darin Toohey

John McManus

John McManus

Kathleen Johnson

Kathleen Johnson

Scott Mandia

Scott Mandia

Christo Buizert

Christo Buizert

Bin Wang

Bin Wang

Qiang Fu

Qiang Fu

Guillaume Mauger

Guillaume Mauger

Anthony Didlake, Jr

Anthony Didlake, Jr

Ellyn Enderlin

Ellyn Enderlin

Richard Seager

Richard Seager

Warren Washington

Warren Washington

Chris Poulsen

Chris Poulsen

Richard Norris

Richard Norris

Casey Hilgenbrink

Casey Hilgenbrink

Andrew Bakun

Andrew Bakun

Jennifer Swenson

Jennifer Swenson

Jessica Kleiss

Jessica Kleiss

Jordan Clark

Jordan Clark

John Dilles

John Dilles

Chris E. Forest

Chris E. Forest

Frank Millero

Frank Millero

Nicholas Bill

Nicholas Bill

Jeff Chanton

Jeff Chanton

Greg Hakim

Greg Hakim

Peter Rhines

Peter Rhines

Anthony Wexler

Anthony Wexler

Pedro DiNezio

Pedro DiNezio

Samantha Stevenson

Samantha Stevenson

Barry Sherr

Barry Sherr

William White

William White

Rebecca Shipe

Rebecca Shipe

Baylor Fox-Kemper

Baylor Fox-Kemper

Pao-Shin Chu

Pao-Shin Chu

Philip Orton

Philip Orton

*Signatories sign on as individuals and not on behalf of their institutions.

How signatories are added

Each signatory is individually evaluated by our staff to ensure that they meet our standards as a climate expert. We prioritize those who conduct research, work at reputable institutions, and have highly relevant backgrounds. More→

Request to Sign

If you work in or specialize in climate science or a highly-related field, please email us at tyndallpetition@climatepedia.org from your work email with a curriculum vitae and a link to your work website for consideration.