Lead poisoning is a devastating and overlooked global health crisis. Revealing its prevalence and sources is the first step to change that.

Many low- and middle-income countries lack the resources to tackle lead poisoning. Here’s how two countries did it.

Water is running out in a region known for rain

After powerful countries delayed negotiations, some question fair inclusion of low- and middle-income countries.

In a federal push for lead line replacement, regrettable substitutions like PVC piping must be avoided, say health experts.

Negotiations are underway for a global plastics treaty and parties differ on the role of recycling.

Fewer US sunscreens contain oxybenzone, an ingredient with health and safety concerns

Some products with PFAS — a common treatment for water and stain resistant outdoor apparel — will soon be illegal to sell in many states.

Formaldehyde and other cancer-causing compounds are widespread in products from soaps and detergents to lubricants.

New report recommends the United Nations Global Plastics Treaty significantly reduce plastic use through aggressive bans and caps, and closer examination of toxic ingredients.

Time is running out for salmon and steelhead on the northwest river

Why is it still so hard to start a prescribed fire in California?

While some celebrate the billions of dollars for disadvantaged communities, others say compromises in the act put those same communities at risk

Some wolves are better at hunting beavers than others, leading to consequences far beyond the pack

Veterinarians and rabbit owners are racing to protect bunnies as a hemorrhagic disease spreads

Translated to French

Evon Hekkala has changed our understanding of African crocodiles, thanks to the emergence of ancient DNA research

New York City is at the center of a political fight over dimming nighttime lights that attract and kill migrating birds

As many evacuated, reconnaissance teams rushed into the storm’s path to collect information that could save lives