Learning what kills giant trees is a question of increasing urgency. In 2022, a Nature study conducted in Australia suggested that the death rates of tropical trees there have doubled since the 1980s.

Because of a change in the climate, giant sequoias have become more vulnerable to insects, disease and wildfire. LEILA FADEL, HOST: Giant sequoias are survivors. They can live more than 3,000 years.

Giant old trees are survivors. But their size and age do not protect them against everything. They face threats such as logging or intensifying drought and fire as the climate changes.

A recent addition to the Old-Growth Forest Network, the preserve is not only home to the giant trees, but also 80 acres of younger forest that serves as a buffer around the big trees, as well as a ...

Real Black-and-White Pic of 'Last Giant Silicon Tree' in 1899? The unusual vintage photograph was allegedly captured in 1899. Aleksandra Wrona Published Oct. 20, 2024 ...

Extreme wildfires have destroyed about one-fifth of all giant sequoia trees. To safeguard their future, the National Park Service is planting seedlings that could better survive a hotter climate.

The trees also seemed to be growing just as quickly as those in California, capturing 85 kilograms of carbon from the atmosphere every year on average. “That’s very quick,” says Disney.