The report by scientists with the National Park Service detailed widespread destruction from the Castle Fire that burned more than 270 square miles of timber in Sequoia National Park.

The old-growth trees — some of which are more than 2,000 years old and 250 feet tall — require fire to burst their pine cones and reproduce."One-hundred years of fire suppression, combined ...

We often talk about there being two species of redwoods, the coast redwood and the giant sequoia. But there is actually a third, the dawn redwood. It is native to the Sichuan-Hubei region of south-… ...

The old-growth trees — some of which are more than 2,000 years old and 250 feet (76 meters) tall — require fire to burst their pine cones and reproduce.

The old-growth trees — some of which are more than 2,000 years old and 250 feet (76 meters) tall — require fire to burst their pine cones and reproduce.

The old growth trees -- some of which are more than 2,000 years old and 250 feet (76 meters) tall -- require fire to burst their pine cones and reproduce.

The old-growth trees — some of which are more than 2,000 years old and 250 feet tall — require fire to burst their pine cones and reproduce.

The old-growth trees — some of which are more than 2,000 years old and 250 feet tall — require fire to burst their pine cones and reproduce.

The old-growth trees — some of which are more than 2,000 years old and 250 feet (76 meters) tall — require fire to burst their pine cones and reproduce.

A draft study has found that at least a tenth of the world’s mature giant sequoias were destroyed by a single California wildfire that tore through the southern Sierra Nevada last year.