Question: How much was pledged to the UNEP by The Everglades: River of Grass author's country of citizenship?

full_context: Document 1: Marjory Stoneman Douglas: Marjory Stoneman Douglas (April 7, 1890 – May 14, 1998) was an American journalist, author, women's suffrage advocate, and conservationist known for her staunch defense of the Everglades against efforts to drain it and reclaim land for development. Moving to Miami as a young woman to work for "The Miami Herald", she became a freelance writer, producing over one hundred short stories that were published in popular magazines. Her most influential work was the book "" (1947), which redefined the popular conception of the Everglades as a treasured river instead of a worthless swamp. Its impact has been compared to that of Rachel Carson's influential book "Silent Spring" (1962). Her books, stories, and journalism career brought her influence in Miami, enabling her to advance her causes.
Document 2: United Nations: The UN has six principal organs: the General Assembly (the main deliberative assembly); the Security Council (for deciding certain resolutions for peace and security); the Economic and Social Council (ECOSOC; for promoting international economic and social co-operation and development); the Secretariat (for providing studies, information, and facilities needed by the UN); the International Court of Justice (the primary judicial organ); and the UN Trusteeship Council (inactive since 1994). UN System agencies include the World Bank Group, the World Health Organization, the World Food Programme, UNESCO, and UNICEF. The UN's most prominent officer is the Secretary - General, an office held by Portuguese António Guterres since 2017. Non-governmental organizations may be granted consultative status with ECOSOC and other agencies to participate in the UN's work.
Document 3: Marjory Stoneman Douglas High School: Marjory Stoneman Douglas High School was named after the Everglades environmentalist Marjory Stoneman Douglas. The school opened in 1990, the year of her centennial with students in grade 9 through grade 11, most of whom transferred from nearby schools Coral Springs High School and J.P. Taravella High School. The first senior class graduated in 1992.
Document 4: Marjory Stoneman Douglas High School: Marjory Stoneman Douglas High School was named after the Everglades environmentalist Marjory Stoneman Douglas. The school opened in 1990 with students in grade 9 through grade 11, most of whom transferred from nearby schools Coral Springs High School and J.P. Taravella High School. The first senior class graduated in 1992.
Document 5: Mercedes Sola: Mercedes Sola (1879–1923) was a Puerto Rican writer, educator, and activist for the rights of women. Along with Isabel Andreu de Aguilar (1887–1948) and Ana Roque de Duprey (1853–1933), Sola was a feminist recognized in 1917 for the founding of the Puerto Rican League of Women. Sola, Andreu de Aguilar and Roque de Duprey, along with others, brought about the passage of the country's suffrage bill. She was one of the main architects of the suffragette campaign in Puerto Rico from the 1920s, and was a leader of the Puerto Rican Woman's Suffrage Association. In 1922, she published "Feminismo", in which she demanded the woman's right to vote in the society of his country; it is considered a landmark text in contemporary feminism. She was also co-founder of the feminist magazine "Women of the Twentieth Century", which aimed at defending the rights of women.
Document 6: John Muir: John Muir (/ mjʊər /; April 21, 1838 -- December 24, 1914) also known as ``John of the Mountains '', was a Scottish - American naturalist, author, environmental philosopher, glaciologist and early advocate for the preservation of wilderness in the United States. His letters, essays, and books describing his adventures in nature, especially in the Sierra Nevada, have been read by millions. His activism has helped to preserve the Yosemite Valley, Sequoia National Park and many other wilderness areas. The Sierra Club, which he founded, is a prominent American conservation organization. The 211 - mile (340 km) John Muir Trail, a hiking trail in the Sierra Nevada, was named in his honor. Other such places include Muir Woods National Monument, Muir Beach, John Muir College, Mount Muir, Camp Muir, Muir Grove, and Muir Glacier. In Scotland, the John Muir Way, a 130 - mile - long route, was named in honor of him.
Document 7: United Nations: The UN has six principal organs: the General Assembly (the main deliberative assembly); the Security Council (for deciding certain resolutions for peace and security); the Economic and Social Council (ECOSOC; for promoting international economic and social co-operation and development); the Secretariat (for providing studies, information, and facilities needed by the UN); the International Court of Justice (the primary judicial organ); and the UN Trusteeship Council (inactive since 1994). UN System agencies include the World Bank Group, the World Health Organization, the World Food Programme, UNESCO, and UNICEF. The UN's most prominent officer is the Secretary - General, an office held by Portuguese politician and diplomat António Guterres since 2017. Non-governmental organizations may be granted consultative status with ECOSOC and other agencies to participate in the UN's work.
Document 8: United Nations: The United Nations (UN) is an intergovernmental organization tasked to promote international co-operation and to create and maintain international order. A replacement for the ineffective League of Nations, the organization was established on 24 October 1945 after World War II in order to prevent another such conflict. At its founding, the UN had 51 member states; there are now 193. The headquarters of the UN is in Manhattan, New York City, and is subject to extraterritoriality. Further main offices are situated in Geneva, Nairobi, and Vienna. The organization is financed by assessed and voluntary contributions from its member states. Its objectives include maintaining international peace and security, promoting human rights, fostering social and economic development, protecting the environment, and providing humanitarian aid in cases of famine, natural disaster, and armed conflict. The UN is the largest, most familiar, most internationally represented and most powerful intergovernmental organization in the world.
Document 9: Rachel Carson: Rachel Louise Carson (May 27, 1907 -- April 14, 1964) was an American marine biologist, author, and conservationist whose book Silent Spring and other writings are credited with advancing the global environmental movement.
Document 10: United Nations Environment Programme: The need of the developing laws such as the International Labor Organization(ILO), the Food and Agriculture Organization(FAO), and the World Health Organization(WHO), led to the 1972 U.N. Conference on Human Environment(the Stockholm Conference) to tackle the pollution caused by the industrial revolution during the 1960s and 1970s. In this conference, various topics including marine life, protection of resources, environment change, disasters related to nature, and biological change were discussed.  This conference resulted in a Declaration on the Human Environment (Stockholm Declaration) and the establishment of an environmental management body, which later was named United Nations Environment Program(UNEP). UNEP was established by General Assembly Resolution 2997.  Headquarters were established in Nairobi and Kenya with a staff of 300, including 100 professionals in a variety of fields, and with a five-year fund of more than US$100 million. At the time, US$40 million were pledged by The United States and the remainder by 50 other nations. The Voluntary Indicative Scale of Contribution (VISC) established in 2002 has the role to increase the supporters of the UNEP. The finances related to all programs of UNEP is voluntarily contributed by U.N. member states. The Environmental Fund, which all nations of UNEP invest in, is the core source of UNEP’ s programs. Between 1974 and 1986 UNEP produced more than 200 technical guidelines or manuals on environment including forest and water management, pest control, pollution monitoring, the relationship between chemical use and health, and management of industry.
Document 11: Sandra Steingraber: Sandra Steingraber (born 1959) is an American biologist, author, and cancer survivor. Steingraber writes and lectures on the environmental factors that contribute to reproductive health problems and environmental links to cancer.
Document 12: Everglades National Park: Everglades National Park is a U.S. National Park in Florida that protects the southern 20 percent of the original Everglades. In the United States, it is the largest tropical wilderness, the largest wilderness of any kind east of the Mississippi River, and is visited on average by one million people each year. It is the third - largest national park in the lower 48 states after Death Valley and Yellowstone. It has been declared an International Biosphere Reserve, a World Heritage Site, and a Wetland of International Importance, one of only three locations in the world to appear on all three lists.
Document 13: Everglades Digital Library: The Everglades Digital Library is hosted and supported by the Florida International University Libraries, in collaboration with Everglades National Park, the University of Florida Libraries, and numerous other agencies and research organizations. The Everglades Digital Library is a library with multiple large and growing collections that regularly add new materials, including scientific and technical reports, natural history writings, educational resources, maps, photographs, and additional contextual materials on and relating to the greater Everglades.
Document 14: The Everglades: River of Grass: The Everglades: River of Grass is a non-fiction book written by Marjory Stoneman Douglas in 1947. Published the same year as the formal opening of Everglades National Park, the book was a call to attention about the degrading quality of life in the Everglades and remains an influential book on nature conservation as well as a reference for information on South Florida. It was used as recently as 2007 by "The New York Times".
Document 15: United Nations Environment Programme: The United Nations Environment Programme (UNEP), a programme of the United Nations, coordinates the organization's environmental activities and assists developing countries in implementing environmentally sound policies and practices. It was founded by Maurice Strong, its first director, as a result of the United Nations Conference on the Human Environment (Stockholm Conference) in June 1972 and has overall responsibility for environmental problems among United Nations agencies; however, international talks on specialized issues, such as addressing climate change or combating desertification, are overseen by other UN organizations, like the Bonn-based Secretariat of the United Nations Framework Convention on Climate Change and the United Nations Convention to Combat Desertification. UNEP's activities cover a wide range of issues regarding the atmosphere, marine and terrestrial ecosystems, environmental governance and green economy. It has played a significant role in developing international environmental conventions, promoting environmental science and information and illustrating the way those can be implemented in conjunction with policy, working on the development and implementation of policy with national governments, regional institutions in conjunction with environmental non-governmental organizations (NGOs). UNEP has also been active in funding and implementing environment related development projects.
ground_truth: $40 million
sub_queries: The Everglades: River of Grass >> author Answer: Marjory Stoneman Douglas
Marjory Stoneman Douglas >> country of citizenship Answer: America
How much was pledged by America ? Answer: $40 million