If these animals didn't exist...
Sea otters, prairie dogs and tiger sharks: without these animals, entire ecosystems would collapse.
How this atoll in the Philippines regained its biodiversity
DIY: How to make an eco-friendly Advent calendar
How would the Earth look like if all the ice melted?
How do batteries affect the environment?
Pink snow linked to an algae poses a threat to glaciers
24 hours on a research station in Antarctica