Chemical

The State Department said Russia had used chloropicrin, a poison gas widely used during World War I against Ukrainian forces,…

As chief executive, he pushed a company known for Agent Orange, napalm and chlorine to undo its confrontational reputation and…

The rules require facilities to explicitly address threats such as wildfires or flooding, including those linked to climate change.

The dye was banned in cosmetics after a study suggested it might be a carcinogen. Yet federal regulations still permit…