In 1998, Costa Rica spread 12,000 tonnes of orange waste over degraded pasture; 16 years later, tree diversity had tripled and forest biomass was 176% higher
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August 25, 2026
Aerial view of the orange peel-treated area (right) and untreated pasture (left), surveyed by Princeton researchers. In the late 1990s, an unusual conservation experiment began in Costa Rica when ecologists proposed using orange peels and pulp to help…