Suppressing Forest Fire News Today

They are stuff. almost nothing can kill them. >> but climate change is killing that. shrinking the giant sequoias footprint. >> a giant sequoia that was first weakened by drought was then subject to impacts by the bark beetle which then further weakened the tree and potentially made it more susceptible to fire. >> reporter: said to be the fifth largest tree in the entire world, its lived more than 3,000 years. and yet, we are seeing wildfire is threatening these giant sequoias more than ever bef...

>> it was devastating, heartbreaking. everything had been incinerated. it was a field of the worlds largest burned-up toothpicks. >> reporter: after decades of suppressing forest fire, other trees and brush have grown rampantly around the sequoias. >> the fires that used to burn every five to ten years in the sierra would just keep down the competition, and reduce the fuel naturally. >> reporter: on land owned by the save the redwoods league, we hiked out to see just how deadly the castle fire w...

Prompted a red-flag warning, meaning conditions are favorable for the spread of wildfires. the warning affects about 6 million people, and it includes that dixie fire which has already burned an incredible nearly a million acres. crews are also battling a fire that has reached sequoia national park. its an area where some of the worlds largest trees have stood for thousands of years. cnns stephanie elam is covering that part of the story. >> reporter: from their size, general sherman is 275 feet...

Groves. >> it was devastating, heart breaking. everything had been incinerated. it was a field of the worlds largest burned up toothpicks. >> after decades of suppressing forest fire, other trees and brush have grown rampantly around the have a kwoi yas? >> the fires that used to burn every five or ten years would keep down the competition and reduce the fuel naturally. >> on land owned by the save the redwoods league, we hiked out to see how deadly the castle fire was here. >> for us to see 10%...

Its lived more than 3,000 years, and yet were seeing that wildfire is threatening these giant sequoias more than ever before. >> the cassel fire was a wake-up call. an estimated 7,500 to 10,600 trees were destroyed in that one fire alone. >> reporter: started by lightning in august 2020, the cassel fire was part of the sequoia complex that burned more than 174,000 acres, scorching several sequoia groves. >> it was devastating, heartbreaking. everything had been incinerated. it was a field of the...

That one fire alone. >> reporter: started by lightning in august 2020, the castle fire was part of the sequoia complex that burned more than 174,000 acres, scorching several sequoia groves. >> it was devastating, heartbreaking. everything had been incinerated. it was a field of the worlds largest burned up toothpicks. >> reporter: after decades of suppressing forest fire, other trees and brush have grown rampantly around the sequoias. >> the fires that used to burn every five to ten years in the...