Brazil tourists in 2005. In 2005, Rio de Janeiro, Foz do Iguaçu, São Paulo, Florianópolis and Salvador were the most visited cities by international tourists for leisure trips. The most popular destinations for business trips were São Paulo, Rio de Janeiro and Porto Alegre. In 2006 Rio de Janeiro and Fortaleza were the most popular destinations for business trips. Technological research in Brazil is largely carried out in public universities and research institutes, with the majority of funding for basic research coming from various government agencies. Brazil's most esteemed technological hubs are the Oswaldo Cruz Institute, the Butantan Institute, the Air
American Cleaning Institute the ACI's activities have focused on issues about which the government and the general public are concerned and the environmental impact of soaps and detergents. These concerns about human safety and environmental concerns lead the ACI to be in frequent contact with the Environmental Protection Agency, the Consumer Product Safety Commission, and the Food and Drug Administration. American Cleaning Institute The American Cleaning Institute (ACI formerly The Soap and Detergent Association – SDA) is an organization representing producers of household, industrial, and institutional cleaning products, their ingredients and finished packaging; oleochemical producers; and chemical distributors to the cleaning product industry.