Stag Tree News Today

>> reporter: from their size -- >> general sherman is 275 feet tall. holy cow. >> reporter: -- to their longevity -- >> before ancient rome, before christ, i mean these trees were mature. >> reporter: -- much about giant sequoia trees is on a grand scale. with that distinctive red-brown bark covering their thick trunks, sequoia trees can only be found in californias sierra nevada mountains. >> this is a resilient tree. they are tough. almost nothing can kill them. >> reporter: but climate change...

>> reporter: much about giant sequoia trees is on a grand scale. with that distinctive red/brown bark covering their thick trunks, sequoia trees can only be found in californias sierra nevada mountains. >> this is a resilient tree. they are tough. almost nothing can kill them. >> reporter: but climate change is changing 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 th...