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    Wigold Schäffer is developing, demonstrating and testing a new model for the operation of small farms that reconciles the preservation of secondary forests and attendant biodiversity with farmers' desires for higher incomes and improved quality of life.

    Silvia is working to balance social development and community-building with environmental conservation, focusing on sustainability over the long term. Working from this vision, she is the first Brazilian to address biological imbalances caused by foreign plant species. Unlike the United States and Australia, which carefully control nonnative vegetation, Brazil has neither public policies nor legal limitations on the growth of species that degrade the quality of soil and crops.

    René Schärer makes it possible for local fishing communities to manage the use of their coastal waters, helping citizens and the government defuse environmental and economic threats posed by large, negligent, and unwelcome fishing vessels.

    Oscar Arruda has devised a strategy for enabling farmers in Brazil's semi-arid northeast to exploit an abundant local plant as an alternative crop that provides economic self-sufficiency in an otherwise depressed local economy.