The Blacksmith Institute for the Environment ( The Blacksmith Institute (also known as the "Blacksmith Institute") is a non-governmental research organization founded in 1999 and headquartered in New York, USA, which funds research related to environmental pollution, mainly in developing countries, and annually lists some of the most polluted places in the world. Each year, it lists the most polluted places in the world.

American Society for the Prevention of Cruelty to Animals ( The American Society for the Prevention of Cruelty to Animals (ASPCA) is the earliest nonprofit animal welfare organization in the Western Hemisphere, founded by Henry Bergh in April 1866. Its purpose is to provide an effective way to stop animal cruelty throughout the United States and to work to stop it from happening.

The site is a service of the U.S. Citizenship and Immigration Services (U.S. Citizenship and Immigration Services). The website is the official website of the U.S. Citizenship and Immigration Services (U.S. Citizenship and Immigration Services), providing information on the agency, immigration and citizenship matters. U.S. Citizenship and Immigration Services' primary mission is to ensure that the United States, as a nation of immigrants, provides accurate and useful information to immigrants, and its main tasks include granting immigration and citizenship benefits, helping to understand citizenship, and ensuring the integrity of the immigration system.

The The American Academy of Arts and Letters is an American professional organization founded in 1898 to foster, assist, and support American literature, music, and the arts, with a membership of distinguished members of the American literary and artistic community.

The Golden Key International Honour Society ( Golden Key International Honour Society is an international non-profit organization founded in 1977 and headquartered at Atlanta, Georgia, USA. It is one of the world's largest elite university honor societies, issuing invitations to only a few outstanding sophomores and above and top graduate students.

The American The American Psychological Association (abbreviated as APA) is the professional organization in the field of psychology in the United States, founded in 1892, with approximately 150,000 members. The American Psychological Association is known for its APA format (a format for writing research papers).

The Institute of Electrical and Electronics Engineers ( The Institute of Electrical and Electronics Engineers (IEEE) is one of the world's largest professional and technical organizations, with 38 societies and 7 professional committees, founded in 1963 by the merger of the American Institute of Electrical Engineers and the Institute of Radio Engineers, headquartered in New York, USA. Mainly for electrical and electronic engineering, computer engineering and science, communications and other fields, to develop industrial standards, publish research papers, convene academic conferences.

The Council on Foreign Relations ( Council on Foreign Relations (abbreviated as CFR) is one of the most influential foreign policy think tanks in the United States, founded in 1921 as a nonprofit, nonpartisan membership organization, publisher, and think tank devoted to foreign policy and international affairs.

The American Museum of Natural History ( The American Museum of Natural History, one of the most visited museums in the United States, was established in 1869 and is located in Manhattan, New York, with more than 36 million exhibits.

The Organization of American States ( The Organization of American States (OAS) is a regional international organization founded in 1950 and headquartered in Washington, D.C., with 35 independent sovereign nations of the Americas as members.

White The White House Correspondents' Association (WHCA) is an organization of media reporters who specialize in reporting on the President of the United States, headquartered in Washington, D.C. The organization originated in 1914. The organization originated in 1914 when a group of journalists created it in response to a nonsense rumor that members of Congress would choose which reporters would attend a press conference for U.S. President Woodrow Wilson.

The Casualty Actuarial Society of North America ( The Casualty Actuarial Society (abbreviated as CAS) is an American professional association founded in 1914 and headquartered in Arlington County, Virginia, whose members are primarily insurance actuarial professionals whose goal is to develop a neighborhood of knowledge applicable to property, casualty, and risk management actuarial science.

Habitat for Humanity International (Habitat for Humanity International (HFHI) is a nonprofit charitable organization founded in 1976 and headquartered in Atlanta, Georgia, USA. Habitat for Humanity International is dedicated to eliminating poverty and homelessness through its philosophy of "housing for all people in the world.

Prepare.org forThe American Red Cross Bay Area Chapter's official website provides information on pet first aid from the Red Cross, including basic first aid items and basic first aid procedures for dogs, cats, birds, small animals and reptiles.

The U.S. Department of Energy (United The United States Department of Energy (U.S. Department of Energy) is a federal government agency, established in 1977, is responsible for energy policy development, energy-related technology research and development, weapons research and development, etc., under a number of laboratories, including, and so on.