From the day we’re born, our bodies contain a constant mix of chemicals. But our regulatory system only targets these substances one at a time. Current policies don’t adequately account for the health threats of mixtures, when two or more chemicals combine inside us.

In today’s episode, Ken talks about chemical mixtures with Dr. Jabeen Taiba, who recently published a study called, “Exploring the Joint Association Between Agrichemical Mixtures and Pediatric Cancer.”

From the study: “We observed a statistically significant positive association between 32 agrichemicals,” which were all pesticides, “and overall pediatric cancer and subtypes, and the strength of the association was slightly stronger among brain and CNS cancers compared to overall cancer.”

Dr. Taiba is a post-doctoral research associate at the University of Nebraska’s Water, Climate, and Health program. She's trained as a multidisciplinary researcher, with a background in epidemiology, and has robust experience in clinical research, public health, and large data sets. She and Ken delve into what happens when chemicals mix and how this impacts our most vulnerable: children.

EWG has been studying mixtures since the early 2000s. But chemical companies only test one chemical at a time in its purest form. With more scientists like Dr. Taiba, we’re hopeful that can change.

The Halifax Project

Dr. Jabeen Taiba’s study

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Do you ever feel a sense of personal responsibility for plastic pollution? That reaction is no accident - it’s the result of a decades-long public relations strategy designed to shift blame away from the industries driving the problem.In today’s episode Ken talks with award-winning environmental journalist and author Beth Gardiner. Her new book, “Plastic Inc. The Secret History and Shocking Future of Big Oil’s Biggest Bet,” reveals why Big Oil is responsible for the global plastic pollution problem.

Beth traces the full arc of the oil and plastic industry’s political strategy as well as the origins of plastic recycling as a PR opportunity rather than an environmental solution.

Against the backdrop of weakening environmental safeguards and shifting regulatory priorities, the episode asks a pressing question: how do we hold some of the most powerful industries on the planet accountable for a crisis they helped create?

For a deeper dive into today’s discussion:

Buy Beth Gardiner’s book

Beth Gardiner’s website

@kencookspodcast

www.ewg.org

@environmentalworkinggroup

There is an ongoing lawsuit between the American Academy of Pediatrics v. Robert F Kennedy Jr., head of HHS. The lead attorney of the lawsuit challenging the HHS vaccine policy changes is Ken’s guest today.

Richard H Hughes VI is a professor at George Washington University Law School as well as a partner at Epstein Becker Green. In addition to the American Academy of Pediatrics, Hughes’ law firm also represents the American College of Physicians and the American Public Health Association.

Richard breaks down the legal framework behind the lawsuit against Kennedy, including the effort to dismantle and remake the ACIP advisory committee, the broader implications for federal vaccine policy, and the growing erosion of public trust in pediatricians, vaccines, and public health institutions.

Find the court docket for the case American Academy of Pediatrics v. Robert F. Kennedy Jr. here 

And Judge Brian Murphy’s ruling here that opens with an adaptation of a famous quote from the late astronomer and scientist Carl Sagan:  “Science, like law, is far from a perfect instrument of knowledge…nevertheless, science is still the best we have.”

Richard Hughes, Professorial Lecturer in Law

New York Times: Kennedy, in His Own Words: Flu, Diabetes, Autism and More

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Two major battles over pesticide policy are unfolding at the federal level, and the stakes couldn’t be higher. 

The dispute: Can states protect their citizens from pesticide harms beyond what federal law requires, or will that authority be stripped away? These are the urgent questions that a pending Supreme Court case and a fight over the farm bill could play major roles in answering.

To help unravel the legal docket, Ken is joined by Chuck Benbrook, Ph. D. He has worked on pesticide issues in roles during the Carter administration, for Congress and with the National Academy of Sciences, and has served as an expert witness in many of the cases he and Ken discuss. 

Benbrook is urging the Supreme Court to preserve the right of states to hold pesticide companies accountable when federal regulators fall short.

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This Earth Day, we're not celebrating progress; we're sounding the alarm. In today’s episode, Ken sits down with Dr. Phil Landrigan and Dr. Adam Gaffney, co-authors of a landmark article in the New England Journal of Medicine that breaks down how the Trump administration’s sweeping environmental rollbacks are threatening the health of every American.

Dr. Landrigan is no stranger to these fights. As a young Centers for Disease Control and Prevention doctor in the 1970s, his groundbreaking research on lead poisoning in children helped drive lead out of gasoline and paint. This victory reduced childhood lead poisoning by 95% and raised the IQ of an entire generation.

Dr. Gaffney, a pulmonary and critical care physician at Harvard Medical School, has spent his career fighting to protect his patients’ lungs – and now the very protections that keep those lungs healthy are being dismantled one regulation at a time.

Together, the doctors share with Ken all the vital rules that the administration is undoing, who will suffer most, and what it will cost the public in health harms and lives lost – from weakened air quality standards and gutted climate policy, to the quiet destruction of the scientific institutions that keep Americans safe.

New England Journal of Medicine: The Dismantling of Environmental Protections: A Grave Threat to America’s Health

@kencookspodcast

www.ewg.org

@environmentalworkinggroup

What does it look like to stand on principle when everyone around you is playing it safe? In today’s episode, Ken sits down with Rina Shah, a political commentator, GOP strategist, geopolitical risk advisor and one of the most recognized Republican voices on national television.

As a former senior Capitol Hill advisor and two-time presidential campaign chief spokesperson, Shah spent years appearing on CNN, MSNBC, Fox News, and nearly every major network covering politics and global affairs. But long before the television appearances and the op-eds, she was the daughter of a Ugandan refugee family that lost everything under the brutal dictatorship of Idi Amin. That experience shaped everything about how she sees leadership, power and democracy.

Shah shares her family's remarkable story of survival, why she recognized the echoes of authoritarianism in President Donald Trump long before most were willing to say it out loud, and what it cost her to become the first elected Republican delegate to publicly challenge Trump’s nomination in 2016. A decade later, she's still a Republican, still speaking out, and still refusing to let the party she loves be defined by fear and silence.

For a deeper dive into today’s discussion:

Rina Shah’s Instagram

Renew Democracy Initiative

@kencookspodcast

www.ewg.org

@environmentalworkinggroup

Long before “Make America Healthy Again,” or MAHA, existed, there was Rep.  Chellie Pingree (D-Maine): A self-described hippie, back-to-the-lander, certified organic farmer, and the first woman ever elected to Congress from Maine's first district.

Since taking office in 2009, she has relentlessly fought pesticide preemption, championed SNAP benefits and school nutrition programs, and pioneered legislation on food waste and organic agriculture. She’s been fighting for healthier lives long before MAHA was a movement.

Now MAHA has arrived, promising to achieve in a news cycle what Pingree has spent decades trying to accomplish legislatively. MAHA Action's president recently sent a memo to Republican Party leadership calling the movement “a once in a generation political gift to the GOP" and pledging $100 million to elect Republicans in the midterms.

Meanwhile, Health and Human Services Secretary Robert F. Kennedy, Jr.  once a prominent voice against toxic pesticides, now celebrates executive orders by President Dinbaly Trump expanding glyphosate production, even as former pesticide lobbyists take key positions at the Environmental Protection Agency.

MAHA was pitched as a bipartisan effort – but reality tells a different story. In today’s episode, Ken talks with Pingree about the contradictions between what the administration says on MAHA and what it’s actually doing on policy.

And that’s the real divide: between those doing the difficult work of governing and achieving real results, and those packaging that work into snappy branding and social media posts. One is measured in years of policy fights and incremental wins. The other is measured in headlines and clicks. Yet only one of them changes the law to protect the public.

Make America Healthy Again? Let’s see if they’re serious

Chellie Pingree 1st District of Maine

In betrayal of MAHA, House GOP farm bill exposes kids to pesticides

Make America Healthy Again? Let’s see if they’re serious

Chellie Pingree 1st District of Maine

In betrayal of MAHA, House GOP farm bill exposes kids to pesticides

@kencookspodcast

www.ewg.org

@environmentalworkinggroup

Most people heard about Project 2025 during the 2024 presidential campaign. Far fewer understood what it actually was. The Atlantic’s David Graham wrote the definitive book explaining the sweeping conservative policy blueprint.

In today’s episode, David speaks with Ken on how what seemed like a Republican policy wishlist was actually a meticulously engineered, four-part plan for seizing control of the federal government.

They discuss how DOGE (the Department of Government Efficiency) helped accelerate the wrecking-ball agenda, why the architects of Project 2025 always assumed Congress would capitulate to their plans, and whether the damage being done to American institutions can ever be undone. The conversation helps us understand what the 2028 presidential election could mean for the project’s next chapter.

https://www.theatlantic.com/author/david-a-graham/

https://www.davidagraham.com/work

https://bookshop.org/p/books/the-project-how-project-2025-is-reshaping-america-david-a-graham/afe80d453ffedb79?ean=9798217153725&next=t&next=t&affiliate=2186

@kencookspodcast

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Many people find EWG while seeking information  about pesticides. In today’s episode Ken is joined by our in-house Senior Toxicologist, Dr. Alexis Temkin whose research establishes safety guidelines to help people (including children) minimize their exposure to toxic crop chemicals. In the second half of today’s episode Ken is joined by renowned pediatrician Dr. Phillip Landrigan whose decades of research and advocacy  is integral for understanding the effects of pesticides in children.

Want a deeper dive on today’s episode? Check out the links below:

EWG’s 2024 Dirty Dozen

EWG’s 2024 Clean 15

EWG’s Dirty Dozen Guide to Food Chemicals: The top 12 to avoid

EWG’s YouTube

Alexis Temkin, Ph.D.

EPA warns farmworkers about risks of Dacthal

60 Minutes (CBS; 2/26/1989)

National Research Council (US) Committee on Pesticides in the Diets of Infants and Children

Food Quality Protection Act Signing

Safe Drinking Water Act Signing

Children and Environmental Toxins: What Everyone Needs to Know®

Project 2025's "Mandate for Leadership: The Conservative Promise (contributed by NPR)

@kencookspodcast

www.ewg.org

@environmentalworkinggroup

We’ve all seen the headlines about micro and nanoplastics. It’s clear that the public is uneasy with the ubiquity of plastic particles in our food, soil, and water. The plastics and petrochemical industry claims that concerns are overblown. A growing group of scientists and researchers disagrees.

Matthew J Campen, PhD, MSPH

Bioaccumulation of microplastics in decedent human brains

‘A bombshell’: doubt cast on discovery of microplastics throughout human body

Microplastics and Nanoplastics in Atheromas and Cardiovascular Events

@kencookspodcast

www.ewg.org

@environmentalworkinggroup