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:

Peter Jacques

Peter Jacques

Dusan Zrnic

Dusan Zrnic

Mark Meo

Mark Meo

Paquita Zuidema

Paquita Zuidema

Edwin Gerber

Edwin Gerber

Michael Diamond

Michael Diamond

John van Leer

John van Leer

Brian Medeiros

Brian Medeiros

Eric Salathé

Eric Salathé

Richard Vance

Richard Vance

Andy Rhines

Andy Rhines

George Waldbusser

George Waldbusser

Mathieu Morlighem

Mathieu Morlighem

James McNerney

James McNerney

Ji Nie

Ji Nie

Anthony Janetos

Anthony Janetos

Christine Brandon

Christine Brandon

William Newman

William Newman

Angeline Pendergrass

Angeline Pendergrass

Nicolas Cassar

Nicolas Cassar

Eric Chassignet

Eric Chassignet

Bruce McCarl

Bruce McCarl

Steven Emerson

Steven Emerson

Grant W. Petty

Grant W. Petty

Bart Geerts

Bart Geerts

John McManus

John McManus

Edward Parson

Edward Parson

Jeff Salacup

Jeff Salacup

Derek Posselt

Derek Posselt

Lauren Schmeisser

Lauren Schmeisser

Joshua Graff Zivin

Joshua Graff Zivin

Niklas Schneider

Niklas Schneider

Chester Mikhail

Chester Mikhail

Alyssa Atwood

Alyssa Atwood

Michael Rawlins

Michael Rawlins

Shouraseni Sen Roy

Shouraseni Sen Roy

Josh Schimel

Josh Schimel

Hallie Eakin

Hallie Eakin

Warren Allmon

Warren Allmon

Benjamin Brown-Steiner

Benjamin Brown-Steiner

Rosana Ferreira

Rosana Ferreira

Ellyn Enderlin

Ellyn Enderlin

Deepak Rajagopal

Deepak Rajagopal

Joshua Willis

Joshua Willis

Shane Michael Murphy

Shane Michael Murphy

Susanne Benze

Susanne Benze

Edward Brook

Edward Brook

Huikyo Lee

Huikyo Lee

Karen Shell

Karen Shell

Susanna Hecht

Susanna Hecht

Kim Elmore

Kim Elmore

Darryn Waugh

Darryn Waugh

Philip Mote

Philip Mote

Gilbert Masters

Gilbert Masters

Ricardo M Letelier

Ricardo M Letelier

Waleed Abdalati

Waleed Abdalati

Stephen Po-Chedley

Stephen Po-Chedley

Elizabeth Maroon

Elizabeth Maroon

Shang-Ping Xie

Shang-Ping Xie

Francisco Beron-Vera

Francisco Beron-Vera

Lini Wollenberg

Lini Wollenberg

Lisa Collins

Lisa Collins

Matthias Ruth

Matthias Ruth

Daniel Dixon

Daniel Dixon

Lucinda Shellito

Lucinda Shellito

John Chiang

John Chiang

John Miller

John Miller

Scott Durski

Scott Durski

Munir Humayun

Munir Humayun

Stephanie McAfee

Stephanie McAfee

Arthur Miller

Arthur Miller

Steven Ghan

Steven Ghan

Jonathan Nash

Jonathan Nash

Keah Schuenemann

Keah Schuenemann

Yuhang Wang

Yuhang Wang

Kathleen Treseder

Kathleen Treseder

Donald Wuebbles

Donald Wuebbles

Monty Hempel

Monty Hempel

Bill Johns

Bill Johns

Dennis Hansell

Dennis Hansell

David Letson

David Letson

Janet Sprintall

Janet Sprintall

Villy Kourafalou

Villy Kourafalou

Alison Anders

Alison Anders

Dalia Patino-Echeverri

Dalia Patino-Echeverri

Jinbao Li

Jinbao Li

Ronald Drayson

Ronald Drayson

Jason West

Jason West

Bill Patzert

Bill Patzert

Brian Haley

Brian Haley

Jonathan Petters

Jonathan Petters

Kennedy Rubert-Nason

Kennedy Rubert-Nason

Adam Kent

Adam Kent

Dale Durran

Dale Durran

James White

James White

Janel Hanrahan

Janel Hanrahan

Ben Zuckerman

Ben Zuckerman

Frank Davis

Frank Davis

S. Lawrence Dingman

S. Lawrence Dingman

Paul Bunje

Paul Bunje

Alexander Gershunov

Alexander Gershunov

Gabriel Wolken

Gabriel Wolken

Igor Kamenkovich

Igor Kamenkovich

Bradley Markle

Bradley Markle

Robert Howarth

Robert Howarth

Pao-Shin Chu

Pao-Shin Chu

Mohammad Safeeq

Mohammad Safeeq

Nicole Lovenduski

Nicole Lovenduski

Julia Baum

Julia Baum

Denis Felikson

Denis Felikson

Nancy Grimm

Nancy Grimm

William Glassley

William Glassley

Anthony Barnosky

Anthony Barnosky

Laurie Juranek

Laurie Juranek

John M Wallace

John M Wallace

Kristen DeAngelis

Kristen DeAngelis

Bruce H Vaughn

Bruce H Vaughn

Marcus Loefverstroem

Marcus Loefverstroem

Peter Gerstoft

Peter Gerstoft

John Abatzoglou

John Abatzoglou

Adina Paytan

Adina Paytan

Matthias Mengel

Matthias Mengel

Jared H. Bowden

Jared H. Bowden

Jennifer Kay

Jennifer Kay

Sarah Gille

Sarah Gille

Eric Rignot

Eric Rignot

John Arnfield

John Arnfield

Iris Stewart-Frey

Iris Stewart-Frey

Eniko Szekely

Eniko Szekely

Ben Sanderson

Ben Sanderson

Eric Smith

Eric Smith

Scott Curtis

Scott Curtis

Kyle Armour

Kyle Armour

Jeffrey Gee

Jeffrey Gee

Mohamed Iskandarani

Mohamed Iskandarani

Dan Cayan

Dan Cayan

Lisa Levin

Lisa Levin

Shimon Wdowinski

Shimon Wdowinski

Douglas H. Clark

Douglas H. Clark

Serita D. Frey

Serita D. Frey

Walter Hannah

Walter Hannah

Robert Kopp

Robert Kopp

Sharon Stammerjohn

Sharon Stammerjohn

Nicholas Bond

Nicholas Bond

Manuel Lerdau

Manuel Lerdau

Jennifer Pontius

Jennifer Pontius

Margaret LeMone

Margaret LeMone

Ryan Fogt

Ryan Fogt

Jeffrey Severinghaus

Jeffrey Severinghaus

Grant Deane

Grant Deane

Paul Staten

Paul Staten

Yongxin Zhang

Yongxin Zhang

Angelicque White

Angelicque White

Roger Barry

Roger Barry

Jeremy Fyke

Jeremy Fyke

Hao Luo

Hao Luo

James Swift

James Swift

Katinka Bellomo

Katinka Bellomo

Kathy Jacobs

Kathy Jacobs

Paul Wapner

Paul Wapner

Mark Merrifield

Mark Merrifield

Anne Stoner

Anne Stoner

Donovan German

Donovan German

David Sandwell

David Sandwell

Jan Boll

Jan Boll

Akhilesh Mishra

Akhilesh Mishra

Jeremy McGibbon

Jeremy McGibbon

Justin Wettstein

Justin Wettstein

David Hastings

David Hastings

Matthew Kahn

Matthew Kahn

Michela Biasutti

Michela Biasutti

Elizabeth Deakin

Elizabeth Deakin

Matthew Betts

Matthew Betts

Marnie Jo Zirbel

Marnie Jo Zirbel

Chad A Greene

Chad A Greene

Bill Stigliani

Bill Stigliani

Evelyn Sherr

Evelyn Sherr

Laurent Pilon

Laurent Pilon

Guy Masters

Guy Masters

Greg Hakim

Greg Hakim

Ronald Mitchell

Ronald Mitchell

Ben Kirtman

Ben Kirtman

Joseph Biello

Joseph Biello

James Sherman

James Sherman

David Kreamer

David Kreamer

Catherine Gautier

Catherine Gautier

Richard York

Richard York

Ian Macdonald

Ian Macdonald

David Graham

David Graham

James Kossin

James Kossin

Andrew McDonnell

Andrew McDonnell

Burrell Montz

Burrell Montz

Lynne Talley

Lynne Talley

David Lea

David Lea

Charles Long

Charles Long

Julia Smith Wellner

Julia Smith Wellner

Terry Nathan

Terry Nathan

Arthur Mariano

Arthur Mariano

Mathias Vuille

Mathias Vuille

Dan DiResta

Dan DiResta

Xiaolin Ren

Xiaolin Ren

Jonathan Aurnou

Jonathan Aurnou

Glen MacDonald

Glen MacDonald

Anton Seimon

Anton Seimon

Elsa Cleland

Elsa Cleland

Benjamin Zaitchik

Benjamin Zaitchik

David Kanter

David Kanter

Petra Dekens

Petra Dekens

Fiorenza Micheli

Fiorenza Micheli

Anastasia Romanou

Anastasia Romanou

Emily Bernhardt

Emily Bernhardt

Charles Jones

Charles Jones

Kim Cobb

Kim Cobb

Peter Homyak

Peter Homyak

Raymond Najjar Jr

Raymond Najjar Jr

Jade d’Alpoim Guedes

Jade d’Alpoim Guedes

Hayley Dosser

Hayley Dosser

Carl Wunsch

Carl Wunsch

Sheila Griffin

Sheila Griffin

Clay Tabor

Clay Tabor

Sanford Sillman

Sanford Sillman

Bonnie Light

Bonnie Light

Rob Holman

Rob Holman

Graham Fogg

Graham Fogg

Christine Shields

Christine Shields

Olivier Pauluis

Olivier Pauluis

Chris E. Forest

Chris E. Forest

John Monteverdi

John Monteverdi

Gene Rochlin

Gene Rochlin

Sarah Principato

Sarah Principato

John Froines

John Froines

Anne Nolin

Anne Nolin

Jialin Lin

Jialin Lin

Peter Ortner

Peter Ortner

Hilary Palevsky

Hilary Palevsky

Gigi Owen

Gigi Owen

Michael King

Michael King

Timothy Bartholomaus

Timothy Bartholomaus

Robert Wood

Robert Wood

Ben Santer

Ben Santer

Baoqiang Xiang

Baoqiang Xiang

Charles Greene

Charles Greene

Steven Businger

Steven Businger

Karen McKinnon

Karen McKinnon

Peter Berck

Peter Berck

Tiziana Cherubini

Tiziana Cherubini

James Syvitski

James Syvitski

John Horel

John Horel

Hermann Engelhardt

Hermann Engelhardt

Claudia Czimczik

Claudia Czimczik

Reginald Barrett

Reginald Barrett

Petra Klein

Petra Klein

Brian Magi

Brian Magi

Bing Fu

Bing Fu

Gary Yohe

Gary Yohe

William White

William White

Zoltan Szuts

Zoltan Szuts

Chris Moser

Chris Moser

Jennifer Francis

Jennifer Francis

Jessica Carilli

Jessica Carilli

Richard Barber

Richard Barber

Andrew Ford

Andrew Ford

Evan Kalina

Evan Kalina

Larry Peterson

Larry Peterson

LeRoy Westerling

LeRoy Westerling

Steve Beissinger

Steve Beissinger

Steven Morgan

Steven Morgan

Richard Ambrose

Richard Ambrose

David J. Burdige

David J. Burdige

John Parker

John Parker

Kathie Dello

Kathie Dello

Peter Gent

Peter Gent

Greg McFarquhar

Greg McFarquhar

Amy Clement

Amy Clement

Daniel Bedford

Daniel Bedford

James McWilliams

James McWilliams

Ryan Rykaczewski

Ryan Rykaczewski

David Lawrence

David Lawrence

Marilyn Raphael

Marilyn Raphael

Ed Maurer

Ed Maurer

Matthew Alford

Matthew Alford

Cully Nordby

Cully Nordby

Julie Pett-Ridge

Julie Pett-Ridge

Alan Shapiro

Alan Shapiro

Nat Johnson

Nat Johnson

Oscar Schofield

Oscar Schofield

Arjun Heimsath

Arjun Heimsath

Simon de Szoeke

Simon de Szoeke

Page Chamberlain

Page Chamberlain

Charles L. Rosenfeld

Charles L. Rosenfeld

Summer Rupper

Summer Rupper

Nandini Ramesh

Nandini Ramesh

Hiroyuki Murakami

Hiroyuki Murakami

Roger Bales

Roger Bales

Whendee Silver

Whendee Silver

Rachel White

Rachel White

Megumi Chikamoto

Megumi Chikamoto

Brian Haus

Brian Haus

Courtenay Strong

Courtenay Strong

Tim Li

Tim Li

Peter Franks

Peter Franks

Kerry Emanuel

Kerry Emanuel

Stephen Palumbi

Stephen Palumbi

Ginny Catania

Ginny Catania

Ray Weiss

Ray Weiss

William Dewar

William Dewar

Halstead Harrison

Halstead Harrison

Warren Washington

Warren Washington

Stephen Yeager

Stephen Yeager

Theodore Scambos

Theodore Scambos

Christopher Rozoff

Christopher Rozoff

Lonnie Thompson

Lonnie Thompson

Thomas Brewer

Thomas Brewer

Alexey Kaplan

Alexey Kaplan

Annalisa Bracco

Annalisa Bracco

Raymond De Young

Raymond De Young

Daehyun Kim

Daehyun Kim

Jeff Baldwin

Jeff Baldwin

Tamay Ozgokmen

Tamay Ozgokmen

Jamie D. Mitchem

Jamie D. Mitchem

Josh Foster

Josh Foster

Ian Fenty

Ian Fenty

Catherine Degroot-Hedlin

Catherine Degroot-Hedlin

Allan Clarke

Allan Clarke

Vincent S. Saba

Vincent S. Saba

Stuart Evans

Stuart Evans

Hilary Arnold Godwin

Hilary Arnold Godwin

Paul Bierman

Paul Bierman

Jean Lynch-Stieglitz

Jean Lynch-Stieglitz

Kathleen Farley

Kathleen Farley

Jennifer Swenson

Jennifer Swenson

Michael Loik

Michael Loik

Jennifer Burney

Jennifer Burney

Kent Keller

Kent Keller

Michael Previdi

Michael Previdi

Andrew Bakun

Andrew Bakun

Samantha Stevenson

Samantha Stevenson

Jerry Smith

Jerry Smith

Josh Gellers

Josh Gellers

Mike Stukel

Mike Stukel

Russ Davis

Russ Davis

Noah Brenowitz

Noah Brenowitz

Darin Toohey

Darin Toohey

Julia Cole

Julia Cole

Deepti Singh

Deepti Singh

Demian Hommel

Demian Hommel

George Keller

George Keller

Sally Brown

Sally Brown

Steve Running

Steve Running

Jorie Clark

Jorie Clark

Christo Buizert

Christo Buizert

Elizabeth Burakowski

Elizabeth Burakowski

James Gerber

James Gerber

Yarrow Axford

Yarrow Axford

Colin Raymond

Colin Raymond

Mark Donelan

Mark Donelan

Peter Clark

Peter Clark

Pedro DiNezio

Pedro DiNezio

Joerg Schaefer

Joerg Schaefer

Dimitris Giannakis

Dimitris Giannakis

Anthony Didlake, Jr

Anthony Didlake, Jr

Roger Jones

Roger Jones

Mary Santelmann

Mary Santelmann

H. Annamalai

H. Annamalai

Kathleen Johnson

Kathleen Johnson

Leonard Sklar

Leonard Sklar

Qi Zhang

Qi Zhang

Brian Toon

Brian Toon

Octavio Aburto Oropeza

Octavio Aburto Oropeza

David Archer

David Archer

Robert R Gamache

Robert R Gamache

Kang Wang

Kang Wang

Randye Rutberg

Randye Rutberg

Danica Lombardozzi

Danica Lombardozzi

Daniel Jaffe

Daniel Jaffe

Susan Spierre

Susan Spierre

Valerie Eviner

Valerie Eviner

Kelsey Winsor

Kelsey Winsor

Barry Huebert

Barry Huebert

Michelle Tigchelaar

Michelle Tigchelaar

Daniel Schrag

Daniel Schrag

Ken Davis

Ken Davis

Michael Vardaro

Michael Vardaro

Margaret Leinen

Margaret Leinen

Frank Millero

Frank Millero

Emily Meineke

Emily Meineke

Carl Bernacchi

Carl Bernacchi

Peter Bogenschutz

Peter Bogenschutz

Eric Leibensperger

Eric Leibensperger

Frederick Carr

Frederick Carr

Sara Strey

Sara Strey

Ellen Druffel

Ellen Druffel

Rob Dunbar

Rob Dunbar

Spruce Schoenemann

Spruce Schoenemann

Jim Happell

Jim Happell

Ashok Gadgil

Ashok Gadgil

Jacobus Van de Kreeke

Jacobus Van de Kreeke

Paty Romero Lankao

Paty Romero Lankao

James Coakley

James Coakley

Philip Orton

Philip Orton

Tessa Hill

Tessa Hill

Dan Westervelt

Dan Westervelt

James Buizer

James Buizer

Michael Mann

Michael Mann

Beata Csatho

Beata Csatho

Rebecca Shipe

Rebecca Shipe

Steven Allison

Steven Allison

Guillaume Mauger

Guillaume Mauger

Jose-Luis Jimenez

Jose-Luis Jimenez

Laura Tenenbaum

Laura Tenenbaum

Cort Anastasio

Cort Anastasio

John Mioduszewski

John Mioduszewski

Ellen Mosley-Thompson

Ellen Mosley-Thompson

Jeana Mascio

Jeana Mascio

Kerry Cook

Kerry Cook

Kevin Trenberth

Kevin Trenberth

Daniel Cziczo

Daniel Cziczo

Anthony Fisher

Anthony Fisher

Michael Ross

Michael Ross

Richard Vong

Richard Vong

Jeff Weber

Jeff Weber

Robert Davies

Robert Davies

Jingfeng Wu

Jingfeng Wu

Marta Torres

Marta Torres

Kirk R. Smith

Kirk R. Smith

Peter Lawrence

Peter Lawrence

Paul Dayton

Paul Dayton

Anthony Wexler

Anthony Wexler

Bryan G. Mark

Bryan G. Mark

Uma Shankar

Uma Shankar

Douglas Martinson

Douglas Martinson

Holger Brix

Holger Brix

Ralph Keeling

Ralph Keeling

Peter Rhines

Peter Rhines

James Done

James Done

Andrew Latimer

Andrew Latimer

David Checkley

David Checkley

Hari M. Osofsky

Hari M. Osofsky

William Smyth

William Smyth

Joel Norris

Joel Norris

Lewis Fulton

Lewis Fulton

Isha Ray

Isha Ray

Ala Khazendar

Ala Khazendar

Brian Gaylord

Brian Gaylord

Hal Batchelder

Hal Batchelder

Thom Davis

Thom Davis

Erin Pettit

Erin Pettit

Aman Gupta

Aman Gupta

Kate O’Neill

Kate O’Neill

Jeffrey Chagnon

Jeffrey Chagnon

Jeffrey Barnes

Jeffrey Barnes

Rebecca Neumann

Rebecca Neumann

David Nolan

David Nolan

Jordan Clark

Jordan Clark

Logan Mitchell

Logan Mitchell

Richard Rood

Richard Rood

Paul Schopf

Paul Schopf

Marjy Friedrichs

Marjy Friedrichs

Daniel Rothenberg

Daniel Rothenberg

Brent Dalrymple

Brent Dalrymple

Andrew Meigs

Andrew Meigs

June-Yi Lee

June-Yi Lee

Larissa Back

Larissa Back

Kimberly Ellen Samuels-Crow

Kimberly Ellen Samuels-Crow

Jeffrey Weiss

Jeffrey Weiss

Josh McGowan

Josh McGowan

Steven Neshyba

Steven Neshyba

Shafer Smith

Shafer Smith

Carlos Moffat

Carlos Moffat

George Philander

George Philander

LuAnne Thompson

LuAnne Thompson

John Fasullo

John Fasullo

Kelvin Richards

Kelvin Richards

Casey Hilgenbrink

Casey Hilgenbrink

Meredith A. Kelly

Meredith A. Kelly

Kristin Poinar

Kristin Poinar

Lisa Ballance

Lisa Ballance

Alan Robock

Alan Robock

Naomi Henderson

Naomi Henderson

Greg Rouse

Greg Rouse

Scott Mandia

Scott Mandia

Norman L. Miller

Norman L. Miller

Travis Roth

Travis Roth

Thomas Ackerman

Thomas Ackerman

Daniel Kammen

Daniel Kammen

Darren Ficklin

Darren Ficklin

Marco Tedesco

Marco Tedesco

Henry Hespenheide

Henry Hespenheide

Donald Olson

Donald Olson

Dargan Frierson

Dargan Frierson

Sarah Purkey

Sarah Purkey

Alan Mix

Alan Mix

George Mellor

George Mellor

Joan Ramage Macdonald

Joan Ramage Macdonald

Anders Levermann

Anders Levermann

Larry Mahrt

Larry Mahrt

Maria Herrmann

Maria Herrmann

Wenjun Zhang

Wenjun Zhang

Nikolai Maximenko

Nikolai Maximenko

Francis Chen

Francis Chen

Drew Shindell

Drew Shindell

Harold Wanless

Harold Wanless

W Gary Ernst

W Gary Ernst

Peter J. Minnett

Peter J. Minnett

Shaun Marcott

Shaun Marcott

Becky Alexander

Becky Alexander

Robert Duncan

Robert Duncan

Matthew Alkire

Matthew Alkire

Mark Zelinka

Mark Zelinka

Richard Snyder

Richard Snyder

Beverly Law

Beverly Law

Phil Rasch

Phil Rasch

Simon Donner

Simon Donner

Chris O’Dell

Chris O’Dell

Cecilia Bitz

Cecilia Bitz

Bjoern Hagen

Bjoern Hagen

Jonathan Martin

Jonathan Martin

Richard Gammon

Richard Gammon

Wolfgang Buermann

Wolfgang Buermann

Michael Stenstrom

Michael Stenstrom

Robert Field

Robert Field

Charles Gertler

Charles Gertler

Heather Lazrus

Heather Lazrus

John Whitehead

John Whitehead

Junjie Zhang

Junjie Zhang

Ryan J Haupt

Ryan J Haupt

Rodrigo Bombardi

Rodrigo Bombardi

Sarah Truebe

Sarah Truebe

Elbert Friday

Elbert Friday

Aaron Donohoe

Aaron Donohoe

Christopher Harley

Christopher Harley

Andrew Thurber

Andrew Thurber

Matthew Kumjian

Matthew Kumjian

Corinne James

Corinne James

Julie Malmberg

Julie Malmberg

Gunnar Voet

Gunnar Voet

Ian Flitcroft

Ian Flitcroft

Isabel Porto Da Silveira

Isabel Porto Da Silveira

Gary Griggs

Gary Griggs

Scott Collins

Scott Collins

Zack Guido

Zack Guido

Mark Miesch

Mark Miesch

Paul Wright

Paul Wright

Baird Langenbrunner

Baird Langenbrunner

Isabel Rivera-Collazo

Isabel Rivera-Collazo

Qiang Fu

Qiang Fu

Jack Williams

Jack Williams

Laurence Delina

Laurence Delina

Richard Norris

Richard Norris

Richard Grotjahn

Richard Grotjahn

John Dilles

John Dilles

Robert Allen

Robert Allen

Andrew Lucas

Andrew Lucas

Kendrick Taylor

Kendrick Taylor

Duane Waliser

Duane Waliser

Dennis Hartmann

Dennis Hartmann

Chris Poulsen

Chris Poulsen

Erik Ivins

Erik Ivins

Daniel Tyler

Daniel Tyler

Marcia Baker

Marcia Baker

Gifford H. Miller

Gifford H. Miller

Alex Hall

Alex Hall

M. Y. Leclerc

M. Y. Leclerc

Nicholas Bill

Nicholas Bill

Osmund Holm-Hansen

Osmund Holm-Hansen

J. A. Rial

J. A. Rial

Erich Osterberg

Erich Osterberg

Orrin Pilkey

Orrin Pilkey

Claire Paris

Claire Paris

Benjamin Laabs

Benjamin Laabs

Terry Root

Terry Root

Philip Harding

Philip Harding

Rachel Storer

Rachel Storer

William Chameides

William Chameides

Maxwell Boykoff

Maxwell Boykoff

Paul Switzer

Paul Switzer

Mark Serreze

Mark Serreze

Etienne Dunn Sigouin

Etienne Dunn Sigouin

Joanie Kleypas

Joanie Kleypas

Russell Keith Monson

Russell Keith Monson

Amy Leventer

Amy Leventer

Mati Kahru

Mati Kahru

Ryan Eastman

Ryan Eastman

Colleen Petrik

Colleen Petrik

Bin Wang

Bin Wang

Eli Melaas

Eli Melaas

Miranda Holmes-Cerfon

Miranda Holmes-Cerfon

David Auston

David Auston

Eugene Cordero

Eugene Cordero

Jessica Kleiss

Jessica Kleiss

John Harte

John Harte

Joyce Penner

Joyce Penner

Brian Tissot

Brian Tissot

Michael Behrenfeld

Michael Behrenfeld

Christian Shorey

Christian Shorey

Claudia Benitez-Nelson

Claudia Benitez-Nelson

Jeff Chanton

Jeff Chanton

Stephen Price

Stephen Price

Jacob Scheff

Jacob Scheff

Justin Mankin

Justin Mankin

James Maslanik

James Maslanik

Charles Zender

Charles Zender

Xiaobiao Xu

Xiaobiao Xu

Brian Helmuth

Brian Helmuth

Jerald Schnoor

Jerald Schnoor

Guillermo Podesta

Guillermo Podesta

Jeffrey Kiehl

Jeffrey Kiehl

Curtis Deutsch

Curtis Deutsch

Katie Watkins-Brandt

Katie Watkins-Brandt

Qin Xu

Qin Xu

Zhiwei Zhu

Zhiwei Zhu

Baylor Fox-Kemper

Baylor Fox-Kemper

Jane Teranes

Jane Teranes

Lee Kump

Lee Kump

Andreas Schmittner

Andreas Schmittner

Sarah Myhre

Sarah Myhre

Gidon Eshel

Gidon Eshel

Sally Benson

Sally Benson

Alexander Hayes

Alexander Hayes

Barry Sherr

Barry Sherr

Kenneth Broad

Kenneth Broad

Anthony England

Anthony England

Robin Wordsworth

Robin Wordsworth

Jinwon Kim

Jinwon Kim

Sandra Kirtland Turner

Sandra Kirtland Turner

Susan Harrison

Susan Harrison

Thomas Smith

Thomas Smith

Yifan Yu

Yifan Yu

Mark Flanner

Mark Flanner

Richard Seager

Richard Seager

Frederic Castruccio

Frederic Castruccio

Nathan Sheldon

Nathan Sheldon

John Abraham

John Abraham

Rosie Fisher

Rosie Fisher

Stefan Llewellyn Smith

Stefan Llewellyn Smith

Claudia Mohr

Claudia Mohr

Jonathan Overpeck

Jonathan Overpeck

Dennis Baldocchi

Dennis Baldocchi

Daniel Neuhauser

Daniel Neuhauser

*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.