Hot and dry summers have become an annual challenge in recent years, yet some of the best desert plants, including shrubs and perennials, can offer gardeners a solution to cope with extreme heat ...

It's hard to imagine that global warming would have much effect on the world's already hot deserts. But even small changes in temperature or precipitation could drastically impact plants and ...

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 ...