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:

Frederic Castruccio

Frederic Castruccio

George Mellor

George Mellor

James Sherman

James Sherman

Nathan Sheldon

Nathan Sheldon

Ashok Gadgil

Ashok Gadgil

Jacob Scheff

Jacob Scheff

John Froines

John Froines

Jeff Weber

Jeff Weber

Bin Wang

Bin Wang

Alison Anders

Alison Anders

Julia Cole

Julia Cole

Eniko Szekely

Eniko Szekely

Jean Lynch-Stieglitz

Jean Lynch-Stieglitz

Ellen Mosley-Thompson

Ellen Mosley-Thompson

John Monteverdi

John Monteverdi

Carlos Moffat

Carlos Moffat

Richard Gammon

Richard Gammon

Charles Greene

Charles Greene

Timothy Bartholomaus

Timothy Bartholomaus

Steve Beissinger

Steve Beissinger

Robin Wordsworth

Robin Wordsworth

Nicholas Bond

Nicholas Bond

Jim Happell

Jim Happell

Stephen Palumbi

Stephen Palumbi

Paquita Zuidema

Paquita Zuidema

Joseph Biello

Joseph Biello

Eli Melaas

Eli Melaas

Paul Schopf

Paul Schopf

Ben Sanderson

Ben Sanderson

Rob Holman

Rob Holman

Mark Miesch

Mark Miesch

William Glassley

William Glassley

Orrin Pilkey

Orrin Pilkey

Rachel White

Rachel White

Richard Ambrose

Richard Ambrose

Daniel Neuhauser

Daniel Neuhauser

Russell Keith Monson

Russell Keith Monson

Claudia Czimczik

Claudia Czimczik

Adina Paytan

Adina Paytan

Jeffrey Kiehl

Jeffrey Kiehl

Robert Howarth

Robert Howarth

John M Wallace

John M Wallace

David Hastings

David Hastings

Qiang Fu

Qiang Fu

Aaron Donohoe

Aaron Donohoe

Elizabeth Maroon

Elizabeth Maroon

Laura Tenenbaum

Laura Tenenbaum

Brent Dalrymple

Brent Dalrymple

Osmund Holm-Hansen

Osmund Holm-Hansen

Ian Fenty

Ian Fenty

Kathie Dello

Kathie Dello

Phil Rasch

Phil Rasch

Erin Pettit

Erin Pettit

Megumi Chikamoto

Megumi Chikamoto

Sheila Griffin

Sheila Griffin

Akhilesh Mishra

Akhilesh Mishra

Ben Kirtman

Ben Kirtman

Stuart Evans

Stuart Evans

Tessa Hill

Tessa Hill

Christopher Harley

Christopher Harley

Jared H. Bowden

Jared H. Bowden

Matthew Betts

Matthew Betts

Marta Torres

Marta Torres

William Chameides

William Chameides

Glen MacDonald

Glen MacDonald

Jason West

Jason West

Shang-Ping Xie

Shang-Ping Xie

Qi Zhang

Qi Zhang

Zhiwei Zhu

Zhiwei Zhu

Arthur Miller

Arthur Miller

Kerry Emanuel

Kerry Emanuel

Jerry Smith

Jerry Smith

Serita D. Frey

Serita D. Frey

Alan Mix

Alan Mix

S. Lawrence Dingman

S. Lawrence Dingman

Paul Bunje

Paul Bunje

Rachel Storer

Rachel Storer

Beata Csatho

Beata Csatho

Steven Ghan

Steven Ghan

Kang Wang

Kang Wang

Ian Flitcroft

Ian Flitcroft

Rebecca Neumann

Rebecca Neumann

Kevin Trenberth

Kevin Trenberth

Evelyn Sherr

Evelyn Sherr

George Keller

George Keller

Scott Mandia

Scott Mandia

Jonathan Overpeck

Jonathan Overpeck

Nicole Lovenduski

Nicole Lovenduski

Isha Ray

Isha Ray

Jade d’Alpoim Guedes

Jade d’Alpoim Guedes

Nicolas Cassar

Nicolas Cassar

Sara Strey

Sara Strey

Lewis Fulton

Lewis Fulton

Peter Jacques

Peter Jacques

Denis Felikson

Denis Felikson

Drew Shindell

Drew Shindell

Robert Duncan

Robert Duncan

Walter Hannah

Walter Hannah

Whendee Silver

Whendee Silver

Hermann Engelhardt

Hermann Engelhardt

James McNerney

James McNerney

Demian Hommel

Demian Hommel

Baylor Fox-Kemper

Baylor Fox-Kemper

Yarrow Axford

Yarrow Axford

Philip Orton

Philip Orton

Philip Mote

Philip Mote

Thom Davis

Thom Davis

Anthony Wexler

Anthony Wexler

Francis Chen

Francis Chen

Olivier Pauluis

Olivier Pauluis

Hilary Arnold Godwin

Hilary Arnold Godwin

Graham Fogg

Graham Fogg

Richard Snyder

Richard Snyder

Eric Smith

Eric Smith

Shafer Smith

Shafer Smith

Josh Schimel

Josh Schimel

Margaret Leinen

Margaret Leinen

Xiaobiao Xu

Xiaobiao Xu

Jonathan Petters

Jonathan Petters

Guy Masters

Guy Masters

Julie Malmberg

Julie Malmberg

Andrew Latimer

Andrew Latimer

Joshua Willis

Joshua Willis

Richard Barber

Richard Barber

John Abraham

John Abraham

John Parker

John Parker

Warren Washington

Warren Washington

Henry Hespenheide

Henry Hespenheide

Thomas Smith

Thomas Smith

Paul Dayton

Paul Dayton

Hari M. Osofsky

Hari M. Osofsky

Ken Davis

Ken Davis

Danica Lombardozzi

Danica Lombardozzi

Marjy Friedrichs

Marjy Friedrichs

Paul Switzer

Paul Switzer

Chris O’Dell

Chris O’Dell

Frank Millero

Frank Millero

Susan Spierre

Susan Spierre

Susanne Benze

Susanne Benze

Pedro DiNezio

Pedro DiNezio

Mark Merrifield

Mark Merrifield

Iris Stewart-Frey

Iris Stewart-Frey

Angeline Pendergrass

Angeline Pendergrass

Raymond De Young

Raymond De Young

Rebecca Shipe

Rebecca Shipe

Justin Mankin

Justin Mankin

Andrew Bakun

Andrew Bakun

Manuel Lerdau

Manuel Lerdau

Donald Wuebbles

Donald Wuebbles

Margaret LeMone

Margaret LeMone

Greg Rouse

Greg Rouse

Bonnie Light

Bonnie Light

Shouraseni Sen Roy

Shouraseni Sen Roy

Deepak Rajagopal

Deepak Rajagopal

Andrew Lucas

Andrew Lucas

Gidon Eshel

Gidon Eshel

Kristen DeAngelis

Kristen DeAngelis

Christopher Rozoff

Christopher Rozoff

Evan Kalina

Evan Kalina

Marnie Jo Zirbel

Marnie Jo Zirbel

William White

William White

Duane Waliser

Duane Waliser

Nancy Grimm

Nancy Grimm

Peter Lawrence

Peter Lawrence

Richard Rood

Richard Rood

Peter Berck

Peter Berck

Amy Leventer

Amy Leventer

Kim Elmore

Kim Elmore

Ian Macdonald

Ian Macdonald

Brian Tissot

Brian Tissot

Summer Rupper

Summer Rupper

Beverly Law

Beverly Law

Ala Khazendar

Ala Khazendar

Maxwell Boykoff

Maxwell Boykoff

Spruce Schoenemann

Spruce Schoenemann

James Done

James Done

Gary Griggs

Gary Griggs

Jonathan Aurnou

Jonathan Aurnou

Daniel Rothenberg

Daniel Rothenberg

Shimon Wdowinski

Shimon Wdowinski

Petra Dekens

Petra Dekens

Larry Mahrt

Larry Mahrt

Chris Poulsen

Chris Poulsen

Benjamin Laabs

Benjamin Laabs

Brian Medeiros

Brian Medeiros

Yongxin Zhang

Yongxin Zhang

Kendrick Taylor

Kendrick Taylor

Andreas Schmittner

Andreas Schmittner

Ji Nie

Ji Nie

Stephen Po-Chedley

Stephen Po-Chedley

Qin Xu

Qin Xu

Joanie Kleypas

Joanie Kleypas

Daniel Kammen

Daniel Kammen

Nikolai Maximenko

Nikolai Maximenko

Joerg Schaefer

Joerg Schaefer

Sarah Myhre

Sarah Myhre

Michael Stenstrom

Michael Stenstrom

Roger Bales

Roger Bales

Daniel Schrag

Daniel Schrag

Gene Rochlin

Gene Rochlin

Mark Meo

Mark Meo

Charles Zender

Charles Zender

Julie Pett-Ridge

Julie Pett-Ridge

Steven Emerson

Steven Emerson

Scott Durski

Scott Durski

Mathias Vuille

Mathias Vuille

Daehyun Kim

Daehyun Kim

Niklas Schneider

Niklas Schneider

Barry Huebert

Barry Huebert

Thomas Brewer

Thomas Brewer

Anthony Fisher

Anthony Fisher

Brian Gaylord

Brian Gaylord

Nat Johnson

Nat Johnson

Anthony Barnosky

Anthony Barnosky

Kathleen Treseder

Kathleen Treseder

Alexander Hayes

Alexander Hayes

H. Annamalai

H. Annamalai

Michael Loik

Michael Loik

W Gary Ernst

W Gary Ernst

Brian Haley

Brian Haley

Tiziana Cherubini

Tiziana Cherubini

Alyssa Atwood

Alyssa Atwood

Kennedy Rubert-Nason

Kennedy Rubert-Nason

Maria Herrmann

Maria Herrmann

Bruce H Vaughn

Bruce H Vaughn

Jennifer Burney

Jennifer Burney

Derek Posselt

Derek Posselt

Shaun Marcott

Shaun Marcott

Monty Hempel

Monty Hempel

Ed Maurer

Ed Maurer

Katinka Bellomo

Katinka Bellomo

Hiroyuki Murakami

Hiroyuki Murakami

Jennifer Swenson

Jennifer Swenson

Wolfgang Buermann

Wolfgang Buermann

Ronald Drayson

Ronald Drayson

Lucinda Shellito

Lucinda Shellito

Marcia Baker

Marcia Baker

David J. Burdige

David J. Burdige

Greg McFarquhar

Greg McFarquhar

Robert Wood

Robert Wood

John Chiang

John Chiang

Casey Hilgenbrink

Casey Hilgenbrink

Jordan Clark

Jordan Clark

Aman Gupta

Aman Gupta

Holger Brix

Holger Brix

Alan Shapiro

Alan Shapiro

Bing Fu

Bing Fu

Mati Kahru

Mati Kahru

Lonnie Thompson

Lonnie Thompson

Kathleen Farley

Kathleen Farley

Jeffrey Severinghaus

Jeffrey Severinghaus

Cully Nordby

Cully Nordby

Edward Brook

Edward Brook

Peter Homyak

Peter Homyak

Matthias Mengel

Matthias Mengel

Daniel Dixon

Daniel Dixon

Darren Ficklin

Darren Ficklin

Paul Wright

Paul Wright

Josh Foster

Josh Foster

Douglas H. Clark

Douglas H. Clark

Jeffrey Barnes

Jeffrey Barnes

Junjie Zhang

Junjie Zhang

Chad A Greene

Chad A Greene

Elizabeth Burakowski

Elizabeth Burakowski

Brian Toon

Brian Toon

Robert Field

Robert Field

Jennifer Pontius

Jennifer Pontius

Bill Patzert

Bill Patzert

Nicholas Bill

Nicholas Bill

Mike Stukel

Mike Stukel

Pao-Shin Chu

Pao-Shin Chu

Bill Johns

Bill Johns

Anders Levermann

Anders Levermann

Bjoern Hagen

Bjoern Hagen

Josh Gellers

Josh Gellers

Karen McKinnon

Karen McKinnon

James McWilliams

James McWilliams

Rob Dunbar

Rob Dunbar

Naomi Henderson

Naomi Henderson

Daniel Cziczo

Daniel Cziczo

Michael Diamond

Michael Diamond

Stephen Yeager

Stephen Yeager

Chris E. Forest

Chris E. Forest

LeRoy Westerling

LeRoy Westerling

Charles Gertler

Charles Gertler

Lisa Collins

Lisa Collins

Elsa Cleland

Elsa Cleland

Angelicque White

Angelicque White

Richard Vance

Richard Vance

Catherine Gautier

Catherine Gautier

Ronald Mitchell

Ronald Mitchell

James Gerber

James Gerber

Peter Bogenschutz

Peter Bogenschutz

David Nolan

David Nolan

Peter J. Minnett

Peter J. Minnett

Stephen Price

Stephen Price

Erich Osterberg

Erich Osterberg

Sarah Truebe

Sarah Truebe

Douglas Martinson

Douglas Martinson

Joel Norris

Joel Norris

Peter Gerstoft

Peter Gerstoft

James Coakley

James Coakley

Isabel Rivera-Collazo

Isabel Rivera-Collazo

J. A. Rial

J. A. Rial

Gigi Owen

Gigi Owen

Roger Jones

Roger Jones

Frederick Carr

Frederick Carr

Gabriel Wolken

Gabriel Wolken

Sally Brown

Sally Brown

Steven Allison

Steven Allison

Kerry Cook

Kerry Cook

Guillaume Mauger

Guillaume Mauger

Jamie D. Mitchem

Jamie D. Mitchem

Matthias Ruth

Matthias Ruth

Harold Wanless

Harold Wanless

Vincent S. Saba

Vincent S. Saba

Ginny Catania

Ginny Catania

Elizabeth Deakin

Elizabeth Deakin

Arthur Mariano

Arthur Mariano

Ben Santer

Ben Santer

Gilbert Masters

Gilbert Masters

Scott Collins

Scott Collins

Daniel Jaffe

Daniel Jaffe

Steven Neshyba

Steven Neshyba

Andrew Meigs

Andrew Meigs

Shane Michael Murphy

Shane Michael Murphy

Rosie Fisher

Rosie Fisher

Theodore Scambos

Theodore Scambos

Michael Mann

Michael Mann

David Auston

David Auston

Dimitris Giannakis

Dimitris Giannakis

Christine Shields

Christine Shields

Peter Clark

Peter Clark

Jeremy McGibbon

Jeremy McGibbon

Mark Flanner

Mark Flanner

Dargan Frierson

Dargan Frierson

Wenjun Zhang

Wenjun Zhang

Zoltan Szuts

Zoltan Szuts

Laurent Pilon

Laurent Pilon

Grant W. Petty

Grant W. Petty

Yifan Yu

Yifan Yu

Isabel Porto Da Silveira

Isabel Porto Da Silveira

Zack Guido

Zack Guido

Ryan Fogt

Ryan Fogt

Eric Rignot

Eric Rignot

LuAnne Thompson

LuAnne Thompson

James Kossin

James Kossin

Donald Olson

Donald Olson

Cort Anastasio

Cort Anastasio

Tamay Ozgokmen

Tamay Ozgokmen

Bruce McCarl

Bruce McCarl

Cecilia Bitz

Cecilia Bitz

Elbert Friday

Elbert Friday

Jane Teranes

Jane Teranes

Mark Zelinka

Mark Zelinka

Chris Moser

Chris Moser

Simon Donner

Simon Donner

James Swift

James Swift

Ryan Eastman

Ryan Eastman

Carl Wunsch

Carl Wunsch

Dale Durran

Dale Durran

Alexey Kaplan

Alexey Kaplan

Sanford Sillman

Sanford Sillman

Dan DiResta

Dan DiResta

Norman L. Miller

Norman L. Miller

Simon de Szoeke

Simon de Szoeke

Jan Boll

Jan Boll

Edwin Gerber

Edwin Gerber

Michael Behrenfeld

Michael Behrenfeld

Kent Keller

Kent Keller

Laurence Delina

Laurence Delina

Octavio Aburto Oropeza

Octavio Aburto Oropeza

Eric Leibensperger

Eric Leibensperger

Baoqiang Xiang

Baoqiang Xiang

Becky Alexander

Becky Alexander

Noah Brenowitz

Noah Brenowitz

Jerald Schnoor

Jerald Schnoor

Michael Previdi

Michael Previdi

Jeff Chanton

Jeff Chanton

Warren Allmon

Warren Allmon

Kate O’Neill

Kate O’Neill

Reginald Barrett

Reginald Barrett

Jorie Clark

Jorie Clark

Kathleen Johnson

Kathleen Johnson

Jeffrey Gee

Jeffrey Gee

Frank Davis

Frank Davis

Stephanie McAfee

Stephanie McAfee

William Smyth

William Smyth

James White

James White

John McManus

John McManus

Paul Bierman

Paul Bierman

Andrew Ford

Andrew Ford

Randye Rutberg

Randye Rutberg

Jacobus Van de Kreeke

Jacobus Van de Kreeke

Benjamin Brown-Steiner

Benjamin Brown-Steiner

Benjamin Zaitchik

Benjamin Zaitchik

Charles L. Rosenfeld

Charles L. Rosenfeld

Emily Bernhardt

Emily Bernhardt

Susanna Hecht

Susanna Hecht

Anthony Didlake, Jr

Anthony Didlake, Jr

Nandini Ramesh

Nandini Ramesh

Leonard Sklar

Leonard Sklar

Andrew McDonnell

Andrew McDonnell

June-Yi Lee

June-Yi Lee

Anastasia Romanou

Anastasia Romanou

Anthony Janetos

Anthony Janetos

Gifford H. Miller

Gifford H. Miller

Christine Brandon

Christine Brandon

Robert R Gamache

Robert R Gamache

Igor Kamenkovich

Igor Kamenkovich

George Philander

George Philander

Janel Hanrahan

Janel Hanrahan

Miranda Holmes-Cerfon

Miranda Holmes-Cerfon

Roger Barry

Roger Barry

Andrew Thurber

Andrew Thurber

Gunnar Voet

Gunnar Voet

Mohammad Safeeq

Mohammad Safeeq

Kathy Jacobs

Kathy Jacobs

John Abatzoglou

John Abatzoglou

Annalisa Bracco

Annalisa Bracco

Samantha Stevenson

Samantha Stevenson

Mark Donelan

Mark Donelan

David Lawrence

David Lawrence

Stefan Llewellyn Smith

Stefan Llewellyn Smith

Kristin Poinar

Kristin Poinar

Jeffrey Weiss

Jeffrey Weiss

Etienne Dunn Sigouin

Etienne Dunn Sigouin

Carl Bernacchi

Carl Bernacchi

Waleed Abdalati

Waleed Abdalati

Jeffrey Chagnon

Jeffrey Chagnon

Hallie Eakin

Hallie Eakin

Dan Cayan

Dan Cayan

Peter Rhines

Peter Rhines

Josh McGowan

Josh McGowan

M. Y. Leclerc

M. Y. Leclerc

Baird Langenbrunner

Baird Langenbrunner

John Horel

John Horel

Julia Baum

Julia Baum

Andy Rhines

Andy Rhines

Michael Ross

Michael Ross

Anne Stoner

Anne Stoner

Keah Schuenemann

Keah Schuenemann

Eugene Cordero

Eugene Cordero

Eric Chassignet

Eric Chassignet

Curtis Deutsch

Curtis Deutsch

Kelvin Richards

Kelvin Richards

Bryan G. Mark

Bryan G. Mark

David Sandwell

David Sandwell

Ryan J Haupt

Ryan J Haupt

Xiaolin Ren

Xiaolin Ren

Kim Cobb

Kim Cobb

Valerie Eviner

Valerie Eviner

Joshua Graff Zivin

Joshua Graff Zivin

Mary Santelmann

Mary Santelmann

Scott Curtis

Scott Curtis

Christo Buizert

Christo Buizert

Ricardo M Letelier

Ricardo M Letelier

Charles Jones

Charles Jones

Marilyn Raphael

Marilyn Raphael

Alexander Gershunov

Alexander Gershunov

Alan Robock

Alan Robock

Anne Nolin

Anne Nolin

Page Chamberlain

Page Chamberlain

Michael King

Michael King

Brian Magi

Brian Magi

Jinwon Kim

Jinwon Kim

Jonathan Nash

Jonathan Nash

Hal Batchelder

Hal Batchelder

Daniel Tyler

Daniel Tyler

Logan Mitchell

Logan Mitchell

Michelle Tigchelaar

Michelle Tigchelaar

Peter Franks

Peter Franks

Steven Morgan

Steven Morgan

Adam Kent

Adam Kent

Kelsey Winsor

Kelsey Winsor

Jeana Mascio

Jeana Mascio

Dennis Hartmann

Dennis Hartmann

Jinbao Li

Jinbao Li

Peter Gent

Peter Gent

Emily Meineke

Emily Meineke

Brian Haus

Brian Haus

Sarah Principato

Sarah Principato

Dennis Baldocchi

Dennis Baldocchi

Eric Salathé

Eric Salathé

Travis Roth

Travis Roth

Richard Seager

Richard Seager

Jennifer Francis

Jennifer Francis

Lynne Talley

Lynne Talley

Alex Hall

Alex Hall

David Archer

David Archer

Larry Peterson

Larry Peterson

James Buizer

James Buizer

Jialin Lin

Jialin Lin

Joan Ramage Macdonald

Joan Ramage Macdonald

David Kanter

David Kanter

Bart Geerts

Bart Geerts

Larissa Back

Larissa Back

Meredith A. Kelly

Meredith A. Kelly

Raymond Najjar Jr

Raymond Najjar Jr

Villy Kourafalou

Villy Kourafalou

Susan Harrison

Susan Harrison

Karen Shell

Karen Shell

Bradley Markle

Bradley Markle

Jeff Salacup

Jeff Salacup

Claudia Benitez-Nelson

Claudia Benitez-Nelson

David Kreamer

David Kreamer

Arjun Heimsath

Arjun Heimsath

Lisa Levin

Lisa Levin

Janet Sprintall

Janet Sprintall

John Mioduszewski

John Mioduszewski

Jingfeng Wu

Jingfeng Wu

Hayley Dosser

Hayley Dosser

Brian Helmuth

Brian Helmuth

Allan Clarke

Allan Clarke

Dusan Zrnic

Dusan Zrnic

Justin Wettstein

Justin Wettstein

John Dilles

John Dilles

Lee Kump

Lee Kump

Robert Allen

Robert Allen

Thomas Ackerman

Thomas Ackerman

Hao Luo

Hao Luo

Jessica Carilli

Jessica Carilli

Uma Shankar

Uma Shankar

Lisa Ballance

Lisa Ballance

Darin Toohey

Darin Toohey

Guillermo Podesta

Guillermo Podesta

Petra Klein

Petra Klein

Gary Yohe

Gary Yohe

Lini Wollenberg

Lini Wollenberg

Richard Norris

Richard Norris

Mark Serreze

Mark Serreze

Paty Romero Lankao

Paty Romero Lankao

Hilary Palevsky

Hilary Palevsky

Dennis Hansell

Dennis Hansell

Matthew Alford

Matthew Alford

Courtenay Strong

Courtenay Strong

Donovan German

Donovan German

Michela Biasutti

Michela Biasutti

Jose-Luis Jimenez

Jose-Luis Jimenez

Joyce Penner

Joyce Penner

Anton Seimon

Anton Seimon

Dan Westervelt

Dan Westervelt

Steve Running

Steve Running

Paul Staten

Paul Staten

Bill Stigliani

Bill Stigliani

Matthew Alkire

Matthew Alkire

James Syvitski

James Syvitski

Kimberly Ellen Samuels-Crow

Kimberly Ellen Samuels-Crow

Matthew Kahn

Matthew Kahn

Jeremy Fyke

Jeremy Fyke

Richard Vong

Richard Vong

Paul Wapner

Paul Wapner

Kyle Armour

Kyle Armour

Matthew Kumjian

Matthew Kumjian

Anthony England

Anthony England

Munir Humayun

Munir Humayun

Philip Harding

Philip Harding

John Fasullo

John Fasullo

William Dewar

William Dewar

Darryn Waugh

Darryn Waugh

John Whitehead

John Whitehead

David Letson

David Letson

Dalia Patino-Echeverri

Dalia Patino-Echeverri

Chester Mikhail

Chester Mikhail

John van Leer

John van Leer

Laurie Juranek

Laurie Juranek

Amy Clement

Amy Clement

Russ Davis

Russ Davis

Yuhang Wang

Yuhang Wang

Huikyo Lee

Huikyo Lee

Peter Ortner

Peter Ortner

Marcus Loefverstroem

Marcus Loefverstroem

Ellyn Enderlin

Ellyn Enderlin

Erik Ivins

Erik Ivins

Michael Rawlins

Michael Rawlins

Christian Shorey

Christian Shorey

James Maslanik

James Maslanik

Francisco Beron-Vera

Francisco Beron-Vera

Tim Li

Tim Li

David Checkley

David Checkley

Rosana Ferreira

Rosana Ferreira

Jonathan Martin

Jonathan Martin

Sandra Kirtland Turner

Sandra Kirtland Turner

George Waldbusser

George Waldbusser

Sally Benson

Sally Benson

Jessica Kleiss

Jessica Kleiss

Richard York

Richard York

Sharon Stammerjohn

Sharon Stammerjohn

Catherine Degroot-Hedlin

Catherine Degroot-Hedlin

Claire Paris

Claire Paris

Greg Hakim

Greg Hakim

Ralph Keeling

Ralph Keeling

Terry Nathan

Terry Nathan

Jennifer Kay

Jennifer Kay

Julia Smith Wellner

Julia Smith Wellner

Jeff Baldwin

Jeff Baldwin

Ryan Rykaczewski

Ryan Rykaczewski

Steven Businger

Steven Businger

Kenneth Broad

Kenneth Broad

Fiorenza Micheli

Fiorenza Micheli

Ray Weiss

Ray Weiss

Heather Lazrus

Heather Lazrus

Sarah Gille

Sarah Gille

Lauren Schmeisser

Lauren Schmeisser

Katie Watkins-Brandt

Katie Watkins-Brandt

Michael Vardaro

Michael Vardaro

Ben Zuckerman

Ben Zuckerman

Rodrigo Bombardi

Rodrigo Bombardi

William Newman

William Newman

Corinne James

Corinne James

Claudia Mohr

Claudia Mohr

Burrell Montz

Burrell Montz

Charles Long

Charles Long

Robert Davies

Robert Davies

Robert Kopp

Robert Kopp

David Graham

David Graham

Oscar Schofield

Oscar Schofield

Grant Deane

Grant Deane

Clay Tabor

Clay Tabor

Edward Parson

Edward Parson

Deepti Singh

Deepti Singh

Sarah Purkey

Sarah Purkey

Kirk R. Smith

Kirk R. Smith

Barry Sherr

Barry Sherr

Daniel Bedford

Daniel Bedford

Colin Raymond

Colin Raymond

Colleen Petrik

Colleen Petrik

Mathieu Morlighem

Mathieu Morlighem

John Miller

John Miller

Ellen Druffel

Ellen Druffel

Terry Root

Terry Root

Marco Tedesco

Marco Tedesco

John Arnfield

John Arnfield

John Harte

John Harte

Richard Grotjahn

Richard Grotjahn

Halstead Harrison

Halstead Harrison

David Lea

David Lea

Jack Williams

Jack Williams

Mohamed Iskandarani

Mohamed Iskandarani

*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.