UA News- $30M Gift Announced for UA's Biosphere 2 Sept. 20, 2017 As the world’s population nears 8 billion, a $30 million endowment from Edward P. Bass will enable Biosphere 2 to address some of the century’s most critical questions in food, water and energy security. https://news.arizona.edu/story/30-million-gift-positions-ua-biosphere-2 Image