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 ...

From a biological perspective, it is important for scientists and the general public to understand that organisms do interact with their environment; in this sense, it often incorporates the terms ...

Many of us may know Dubai as a holiday destination. But what do we really know about the desert ecosystem in this part of the United Arab Emirates? I’m here in one of the world’s largest hot deserts - ...

An ecosystem is a natural environment where everything interacts to support life. Ecosystems are made up of living – or biotic – organisms, like plants and animals;which rely on nonliving – or abiotic ...

To many people, deserts they are often seen as barren, lifeless places – symbols of failure and decline. That perception has led to countless efforts to fix them through tree plantations, irrigation ...