Ravaged by a poorly studied disease, cacao trees are dying

Picture this: It's Valentine's Day, and you head out to buy some pralines. Except you can't find any. No matter which store you visit, gummy bears and hard candy have taken the place on the shelves where the chocolate hearts ...

Fungus deadly to AIDS patients found to grow on trees

Researchers have pinpointed the environmental source of fungal infections that have been sickening HIV/AIDS patients in Southern California for decades. It literally grows on trees.

New study offers hope for halting incurable citrus disease

The devastating disease Huonglongbing, or citrus greening, looms darkly over the United States, threatening to wipe out the nation's citrus industry, whose fresh fruit alone was valued at more than $3.4 billion in 2012.

Bid to revive Hong Kong's last incense plantation

He may not be able to resuscitate Hong Kong's long-dead incense trade but entrepreneur Chan Koon-wing is at least hoping to save the tree that gave the city its name centuries ago.

Eye-in-the-sky to save olive trees

A new airborne remote-imaging method that scans entire orchards can identify olive trees infected by a devastating bacterium before visible symptoms appear, according to new research.

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