Toxic chemicals float on the surface of Leslie Run creek on February 25, 2023 in East Palestine, Ohio.

Vinyl Chloride, Revisited

In the wake of the derailment of a train in Ohio come renewed concerns about vinyl chloride and its use in industrial products.
U.S. Secretary of State John Kerry addresses delegates before he signed the COP21 Climate Change Agreement on Earth Day, April 22, 2016, at the United Nations General Assembly Hall in New York, N.Y.

The Paris Agreement: Annotated

Adopted by almost 200 parties at the 2015 UN Climate Change Conference, the Paris Agreement captures international ambitions for cooperative climate action.
Factory chimneys pumping out pollution in the Ruhr, Germany, 1970

A Precautionary Tale

West Germany’s “do no harm” approach to environmental protection—which became known as the precautionary principle—was revolutionary in its time.
Alpine Pennycress - Noccaea caerulescens

In Phytoremediation, Plants Extract Toxins from Soils

Researchers have a cheap, easy way for cleaning up oil spills: letting plants do the work. Why isn’t it used more often?
A gas flare from the Shell Chemical LP petroleum refinery illuminates the sky on August 21, 2019 in Norco, Louisiana

Environmental Racism and the Coronavirus Pandemic

COVID-19 is disproportionately deadly among people of color. Long-term environmental racism could be a major factor in this disparity.
A chrysanthemum overlaid with the chemical formula for pyrethrins

What Do Pesticides and Chrysanthemums Have in Common?

They both contain insecticides called pyrethrins, used in ancient Persia. Today we use them in lice-killing shampoos.
CamelBak brand water bottles hang on display at an outdoor supply store

How Safe Is BPA-Free Plastic?

With BPA gone from many plastic products, researchers are concerned about other environmental chemicals, which might cause reproductive harm.
Female Mosquito filled with blood

Scientists Are Putting Mosquitoes on Human Diet Drugs

Humans and mosquitoes share a surprising amount of genes and have similar hunger controls.
Microwaves

How a Microwave Weapon Might Work

Personnel at the US embassy in Havana have reported mysterious sounds and physical symptoms consistent with brain injury. Could it be microwaves?
plastic waste

Where are the Biodegradable Alternatives to Plastic?

New polymers meant to either biodegrade or to last longer would reduce waste. So what is taking science so long to create them? Well, it's complicated.