The consequences of spraying fire retardants on wildfires

Wildfires started burning in California early again this dry season—more than two million acres have burned so far. Larger and larger wildfires are occurring as new heat records are being broken each year.

Image: Fire red lines

One of the largest wildfires recorded in Arizona, US, has been burning since 8 June, destroying vast swathes of vegetation across the Superstition Mountains east of Phoenix.

All-natural mixture yields promising fire retardant

(Phys.org) —What sounds like fixings for a wizard's potion—a dash of clay, a dab of fiber from crab shells, and a dollop of DNA—actually are the ingredients of promising green fire retardants invented by researchers ...

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