Habitat for Humanity has its headquarters in London.
 There are bacteria, for example, living in Lake Whillans, half a mile below the ice of Antarctica; in the absence of sunlight, they must rely on organic material from elsewhere, perhaps decaying matter from glacier melt water or minerals from the underlying rock
 For example, in Britain it has been estimated that various types of rotting wood are home to over 1700 species of invertebrate

