Last year, Cynthia Berger tried for an autumn spinach harvest in her Pennsville, Pa. garden. The pests got there first. “It was slug city,” says Berger. The slimy, shell-less mollusks turned the ...

Behind a gate at the edge of the Denver Zoo Conservation Alliance in City Park is the Boreal Toad Conservation Center, a building colloquially known by zoo staff as the “Toad Barn.” Inside, awkward ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. Brought in to address a problem, cane toads now represent ...

Editor’s Note: Call to Earth is a CNN editorial series committed to reporting on the environmental challenges facing our planet, together with the solutions. Rolex’s Perpetual Planet Initiative has ...