This is the first in a four-part award-winning series “Persistent Poison: Lead’s Toxic Legacy in the Bay Area.”

A 2017 Reuters report showed that a few Bay Area neighborhoods have some of the highest rates of childhood lead poisoning in the country.

This is the second story in our four-part award-winning series  “Persistent Poison: Lead’s Toxic Legacy in the Bay Area,” an in-depth look at childhood lead poisoning in the Bay Area.

This is part of our series  “Persistent Poison: Lead’s Toxic Legacy in the Bay Area,” an in-depth look at childhood lead poisoning in the region.

This is the third story in our four-part series  “Persistent Poison: Lead’s Toxic Legacy in the Bay Area,” an in-depth look at childhood lead poisoning in the Bay Area.

The numbers show the lead poisoning problem in the Bay Area is bad — but is what we know just the tip of the iceberg?

This is part of our series  “Persistent Poison: Lead’s Toxic Legacy in the Bay Area,” an in-depth look at childhood lead poisoning in the region.

This is the last story in our four-part series “Persistent Poison: Lead’s Toxic Legacy in the Bay Area.” 

In Alameda County, which has some of the highest lead levels in the country, an energetic public health nurse helps families after their child has been lead poisoned. But her work is a stopgap solution. What’s the answer to preventing leading poisoning before it starts?

This is the last story in our four-part series “Persistent Poison: Lead’s Toxic Legacy in the Bay Area.”  

In Alameda County, which has some of the highest lead levels in the country, an energetic public health nurse helps families after their child has been lead poisoned. But her work is a stopgap solution. What’s the answer to preventing leading poisoning before it starts?

What's the right way for developed nations to fight global poverty?

Historian Jane Sherron de Hart discusses how Supreme Court Justice Ruth Bader Ginsburg became a trailblazer for gender equality and what shaped her passion for justice and jurisprudence.