- The Largest Ever Tropical Reforestation Is Planting 73 Million Trees - The project in the Brazilian Amazon is using a new technique for planting trees that results in more, stronger plants–and hopes to cover 70,000 acres in new forests. https://www.fastcompany.com/40481305/the-largest-ever-tropical-reforestation-is-planting-73-million-trees 39 comments worldnews