This video takes a look at hydrothermal vents and the novel life forms that thrive there in the absence of sunlight, fueled by underwater volcanoes. One of these harsh environments is the Axial Seamount off the West Coast of the United States.

Here is a short animated video about the importance of fisheries for food security, health and growth in developing countries, highlighting the commitment of the EU to helping promote sustainable management of seafood resources and inclusive opportunities for trade and growth.

Greentraveller's Richard Hammond shows you some of the loveliest and greenest spots in London, and gives some tips for navigating through the city.