GLORIA DO GOITA, Brazil — They live a continent apart, but Ana Cristina Roldao and Yung Chin are transported to the same realms of rapture when they contemplate the stalwart trunk and spreading ...

In northeastern Brazil, there is a tree so vast that visitors often mistake it for an entire grove. The paths wind beneath its canopy, multiple trunks rise from the ground, and sunlight filters ...

For hundreds of thousands of years, the distinctive candelabra shapes of Araucaria trees (Araucaria angustifolia) have defined landscapes at the southern edge of Brazil’s Atlantic Forest. Humans have ...

It’s night, and plant biologist Arthur Domingos de Melo is looking up at the open, ivory flowers of a tropical, hardwood tree. Though it’s the dry season in the arid, thorny Caatinga region of ...

A type of holly tree in Brazil that was believed to be extinct was rediscovered after 186 years. An organization called Re:wild said it was one of their "top 25 most wanted lost species." The ...

Editor’s Note: Call to Earth is a CNN initiative in partnership with Rolex. Laury Cullen is a Rolex Awards Laureate. Small, round, and midnight blue, you’d be forgiven for mistaking the juçara berry ...

Under Brazil's Amazon rainforest canopy, hundreds of transparent plastic panels hang between tree trunks to starve a hectare of land of half the water it normally receives. Scientists are creating ...

They're invasives, crowding native plants out of over 700,000 acres of the Florida landscape. Some pretty out-there remedies for getting rid of them (including bugs and goats) are being tried. Who ...