Why Maritza Morales Casanova believes children are the answer to climate change
As young children, most of us don't know what we want to be when we grow up. Not Maritza Morales Casanova.
Growing up wild: This photographer captures the beauty of Mexico's mountains
Growing up in the remote mountains of Sierra Gorda, Mexico, Roberto Pedraza Ruiz developed a serious case of biophilia.
Kerstin Forsberg on why we must protect our sea
Ever since she was a child, Kerstin Forsberg has been fascinated by the ocean.
How NASA technology can help save whale sharks
Thousands of people around the world are lending a hand to help save the world’s biggest fish.
Toughest corals to save dying reefs
This marine biologist wants to use the world's toughest corals to save dying reefs
Cleaning up India's Lakes
From Google to garbage disposal: the environmentalist cleaning up India's lakes
A century of climate change in Patagonia
Explorer's mission to photograph a century of climate change in Patagonia
Indigenous trackers are teaching scientists about wildlife
Discovering new species in Chilean Patagonia
The wild deep: Discovering new species in Chilean Patagonia — before they go extinct
Spying on illegal loggers
How old cell phones are spying on illegal loggers
New plastic recycling method
Start-up devours pollution with new plastic recycling method
Call to Earth - CNN
Call to Earth is CNN’s commitment to reporting on the environmental challenges facing our planet, together with the solutions.