Wildfires are in the news with increasing frequency – accompanied by pictures of planes dumping large amounts of red powder. The latest edition of Periodic Graphics in Chemical & Engineering News looks at what’s in the powder, its safety, and how it helps halt forest fires. See the full graphic on the C&EN site.
![](https://i0.wp.com/www.compoundchem.com/wp-content/uploads/2019/11/CEN-–-Suppressing-wildfires-with-chemistry-preview.png?resize=370%2C208&ssl=1)