Question: What did a niece of Cissy Houston became a United Nations Global Ambassador for?

Context paragraphs:
Lise Kingo: Lise Kingo (born August 3, 1961) is executive director of the United Nations Global Compact, succeeding Georg Kell.  Before her appointment to the position by United Nations Secretary General Ban Ki Moon on June 25, 2015.  she was the Executive Vice President, Chief of Staff, and member of executive management at Novo Nordisk, a prominent multinational pharmaceutical company headquartered in her native country of Denmark.  Additionally, she is the chairman of the Danish Council for Corporate Responsibility, Deputy Chair of the Danish Nature Foundation, member of the boards of Grieg Star Group A/S and C3 Collaborating for Health, and an adjunct professor of sustainability and innovation at Vrije University in the Netherlands.  Her tenure in business has been consistently marked by a dedication to social responsibility and sustainability while still achieving business goals and driving growth.

Cissy Houston: Emily "Cissy" Houston (née Drinkard; born September 30, 1933) is an American soul and gospel singer.  After a successful career singing backup for such artists as Elvis Presley and Aretha Franklin, Houston embarked on a solo career, winning two Grammy Awards for her work.  Houston is the mother of singer Whitney Houston, grandmother of Whitney's daughter, Bobbi Kristina Brown, aunt of singers Dionne and Dee Dee Warwick, and a cousin of opera singer Leontyne Price.

Nanguyalai Tarzi: Nanguyalai Tarzi (Persian: ننگیالی طرزی‎ ‎ , Pashto: ننگیالی طرزی‎ ) – is a high-ranking Afghan diplomat who is the Afghan Ambassador to Switzerland and Permanent Representative to the United Nations office and other international organisations based in Geneva.  Tarzi has been the Afghan Ambassador in India, and before that he was Permanent Representative to United Nations Office at Geneva and Afghan Ambassador to Switzerland, Afghan Ambassador to Pakistan and Director of the United Nations Information Centre in Iran.  From 1980s to 1990s, Tarzi was Permanent Observer of the Organisation of the Islamic Conference (OIC) to the United Nations, Geneva and Vienna and Senior Political Adviser and Deputy Permanent Observer of the Organisation of the Islamic Conference (OIC) to the United Nations, New York.  In the 1970s, Tarzi was Afghan Diplomat in Washington D.C., United States.

United Nations Global Compact: The United Nations Global Compact is a United Nations initiative to encourage businesses worldwide to adopt sustainable and socially responsible policies, and to report on their implementation.  The UN Global Compact is a principle-based framework for businesses, stating ten principles in the areas of human rights, labour, the environment and anti-corruption.  Under the Global Compact, companies are brought together with UN agencies, labour groups and civil society.  Cities can join the Global Compact through the Cities Programme.

Dee Dee Warwick: Delia Juanita Warrick (September 25, 1945 – October 18, 2008), known as Dee Dee Warwick, was an American soul singer.  Born in Newark, New Jersey, she was the sister of Dionne Warwick, niece of Cissy Houston and the cousin of Whitney Houston.

Pearl Initiative: The Pearl Initiative is a Gulf business–led organisation promoting a corporate culture of accountability and transparency as a driver of competitiveness and sustainable economic growth across the Persian Gulf region of the Middle East.  The organisation was developed in cooperation with the United Nations Office for Partnerships and was launched in September 2010 at the United Nations Headquarters in New York.  In 2013, the Pearl Initiative signed a strategic partnership with the United Nations Global Compact to collaborate on a number of programmes in countries across the Middle East and North Africa.

Dionne Warwick: Dionne Warwick ( ) (born Marie Dionne Warrick; December 12, 1940) is an American singer, actress and television show host, who became a United Nations Global Ambassador for the Food and Agriculture Organization, and a United States Ambassador of Health.

Presenting Cissy Houston: Presenting Cissy Houston is the debut album by American soul singer/backing vocalist Cissy Houston, originally released on Major Minor Records in 1970 in the United Kingdom.  Her contract was sold to Janus Records the same year.  They released the album in the United States as Cissy Houston in 1970.  The 2012 CD re-release on Cherry Red Records incorporates bonus tracks from later recordings.

United Nations Global Pulse: The United Nations Global Pulse is an initiative of the United Nations that attempts to "bring real-time monitoring and prediction to development and aid programs."

Sustainable Stock Exchanges Initiative: The Sustainable Stock Exchanges (SSE) initiative is a project of the United Nations (UN) co-organized by the United Nations Conference on Trade and Development (UNCTAD), the United Nations Global Compact, the United Nations Environment Programme Finance Initiative (UNEP-FI) and the UN supported Principles for Responsible Investment (PRI).

Supporting paragraphs: Cissy Houston Dionne Warwick
Answer: the Food and Agriculture Organization