Articles by Olga Naidenko, Ph.D.

EWG Comments to EPA on Registration Decision for Pesticide Imazalil

Environmental Working Group objects to the EPA’s proposed interim registration decision for the carcinogenic pesticide imazalil. EWG urges the EPA to protect children’s health from imazalil and to...

NGO Letter to California State Water Resources Control Board and the California Department of Social Services on AB 2370

EWG, along with Clean Water Action and more than a dozen co-signers, submitted comments to the California State Water Resources Control Board and the California Department of Social Services regarding...

EWG Comments on the EPA’s Proposed National Primary Drinking Water Regulations for Perchlorate

EWG objects to the Environmental Protection Agency’s proposed drinking water standard for perchlorate, a contaminant associated with harm to the thyroid. The EPA’s proposed legal limit of 56 parts per...

EWG Comments to EPA on Proposed Glyphosate Decision

Environmental Working Group objects to the Environmental Protection Agency’s proposed decision on glyphosate, the most heavily used pesticide in the U.S. The EPA’s decision to allow continued...

EWG Comments to EPA on the Registration Review for Pesticide Thiabendazole

Environmental Working Group submits comments to the EPA on the registration review for pesticide thiabendazole. EWG urges the EPA to conduct a comprehensive assessment of the cancer risks of...

Cancer Risks From Monsanto’s Weedkiller Deserve Further Scrutiny, Government Agency Says

A new analysis of Monsanto's signature herbicide, glyphosate, released by the Agency for Toxic Substances and Disease Registry, part of the U.S. Department of Health and Human Services, gives weight...

Glyphosate Contamination in Food Goes Far Beyond Oat Products

Seems like every time a government agency or public interest group tests food for Monsanto's weedkiller glyphosate, which has been linked to cancer, they find it.

Duke University Study: N.C. Residents Living Near Large Hog Farms Have Elevated Disease, Death Risks

Residents of communities near industrial-scale hog farms in North Carolina face an increased risk of potentially deadly diseases, Duke University scientists reported in a study released this week.

EPA Ignores the Science, Dismisses the Risks to Children’s Health From Syngenta’s Atrazine

In a move that echoes pesticide industry wishes, the Environmental Protection Agency chose to ignore recent science and human health studies on atrazine, a weed-killer that turns male frogs into...

Cell Phones in Schools? France Says No, San Francisco Educators Urge Caution

As the school year begins, the movement to exercise caution in students' use of cell phones and other wireless devices is gaining international momentum.

How to Avoid 5 Food Additives that Harm Children’s Health

In a groundbreaking move this week, American Academy of Pediatrics Council on Environmental Health warned of the risks chemical food additives pose to children's health.

‘A Civil Action’ Carcinogen Pollutes Tap Water Supplies for 14 Million Americans

Drinking water supplies for 14 million Americans are contaminated with a cancer-causing industrial solvent made notorious by the book and film "A Civil Action," according to a new EWG analysis of...

Yet Another Reason for Your Kids to Unplug? Health Risks from Cellphone Radiation

Most Americans, including children, use electronic devices like cellphones, tablets and smartwatches, for hours every day – and many have developed symptoms that look like addictive behavior. In 2017...

Study: Consumer Product Safety Testing Misses Cancer Risks From Chemical Mixtures

Mixtures of chemicals commonly found in consumer products are more likely to increase breast cancer risk than the same chemicals individually, according to a new analysis. But safety tests by...

Study: Premature Births Drop After Coal, Oil Power Plants Shut Down

The rate of premature births to California mothers living near coal and oil power plants dropped significantly after the plants were shut down, researchers from the University of California and Johns...

EWG Comments to NTP on Cellphone Radiation Study

EWG submits comments on the National Toxicology Program's draft technical reports on cellphone radio-frequency radiation. EWG finds that these studies are relevant to human health, and increase the...

Since the Lead Crisis, Reading Scores in Flint Drop Dramatically

Third-graders' reading scores in Flint, Mich., have dropped dramatically since the city's crisis of lead contamination in drinking water began, according to reports in the Detroit Free Press and The...

EPA Data: Tap Water in More Than 1,000 Communities Tainted With Lead Above Action Level

Tests by drinking water utilities serving 1.8 million Americans in 45 states detected lead above the Environmental Protection Agency's action level, according to EWG's analysis of the latest available...

2017: EWG Sets Health Standards for Chemicals in Tap Water, Pushes Industry Transparency in Cosmetics, Cleaning Products and More

In 2017, EWG once again pushed the envelope in our mission to protect public health and the environment and empower all Americans to make better decisions about their safety and well-being.

It’s Official: California Issues Caution on Cell Phone Use

This week, California officially issued groundbreaking guidelines advising cell phone users to keep phones away from their bodies and limit use when reception is weak.