These skyscraping superstars are the stalwart examples of their species Trees have many interesting features and uses, but it's perhaps their height that inspires the most reverie. Humans may have a ...

The International Union for the Conservation of Nature (IUCN) announced at least 40 percent of tree species around the world are at risk of extinction, according to a Monday release from the ...

More than one-third of the world’s trees may be facing mass extinction due to deforestation and global heating from human activity. The findings were announced Monday at the United Nations ...

A few things on this planet are old enough to make history books look recent, and that includes some living trees that have weathered through tons of challenges. Scientists have dated them, and locals ...

On a windswept plateau high above the Arabian Sea, Sena Keybani cradles a sapling that barely reaches her ankle. The young plant, protected by a makeshift fence of wood and wire, is a kind of dragon’s ...

The Doerner Fir tree, one of the world’s tallest, caught fire and has sustained damage that could lower its global ranking. The fire has not yet spread to the surrounding coastal Oregon wilderness but ...

The festive White House Christmas Tree in Washington, DC. The theme for this year's holiday decorations is “Season of Peace and Light.” Photo by Anna Moneymaker. From the “most famous” (a disputed ...

The basics of photosynthesis are something that every student learns in school: carbon dioxide, water and light in; oxygen ...

High on a mountain in China, Indigenous tea growers are using ancient techniques to create a premium tea that has never been more popular. Dai tea growers pluck leaves in Da Ping Zhang, one of five ...

Melissa Breyer was Treehugger’s senior editorial director before moving to Martha Stewart. Her writing and photography have been featured in The New York Times, The Guardian, National Geographic, ...