What’s happening at the Arkema chemical plant

The Arkema Inc. chemical plant in Crosby, Texas surrounded by floodwaters from tropical storm Harvey

Source: © Godofredo Vasquez/Houston Chronicle via AP

Why chemicals at the plant devastated by hurricane Harvey have ignited 

In the aftermath of hurricane Harvey, chemicals stored at a plant in Crosby, near Houston, US, have begun to ignite. Experts are warning that future fires and explosions are extremely likely. How did this happen and what can be done to contain the situation?