Maritime transport is a big polluter
Fine particles, nitrogen and sulphur oxides: the fuel it uses is one of the dirtiest in the world. Here is the impact of maritime transport on the environment.
How this atoll in the Philippines regained its biodiversity
This is an environmental success story
Crinoids are ancient marine animals
The story behind Delhi's immense landfill
The Nā Pali coast offers breathtaking landscapes
In Turkmenistan, this crater has been burning non-stop since 1971