He is actively involved on environmental issues, a trustee of the Amazon Charitable Trust, and a Vice-President of the Nature in Art Trust.
The Latham women's paintings have been shown in the Smithsonian, Nature in Art museum (UK), Hiram Blauvelt museum, and the Gilcrease museum.
Museum of Modern Art | Art Deco | Metropolitan Museum of Art | Art Institute of Chicago | San Francisco Museum of Modern Art | National Gallery of Art | Honolulu Museum of Art | Whitney Museum of American Art | Los Angeles County Museum of Art | Art Nouveau | Royal College of Art | Nature | Walker Art Center | art | Glasgow School of Art | Museum of Contemporary Art | Philadelphia Museum of Art | International Union for Conservation of Nature | Nature (journal) | Smithsonian American Art Museum | Art Students League of New York | Denver Art Museum | Cleveland Museum of Art | Museum of Contemporary Art, Los Angeles | Art Gallery of New South Wales | Art | nature reserve | Installation art | World Wide Fund for Nature | Gothic art |
These include a statue of Blue Peters dog Petra, a lion bust at Gloucester's Nature in Art museum, a lifesize Sumatran white rhino at Howletts Wild Animal Park in Canterbury and a 15 ft elephant fountain at Saint Louis Zoo.
He taught Otto Murray Dixon and Philip Rickman (both in Nature in Art's collection), and he encouraged the young Donald Watson when he came to visit him in Dumfries and Galloway.