A grassroots project has turned deforested beaches into thriving ecosystems by planting 100,000 native treesPointing to a photograph of dry brown long grass hugging the shoreline, Gerardo Bolaños stands in front of a green oasis of seedlings and trees potted in black plastic bags. “This is what Playa Guiones looked like when we started in 2011,” says the executive director of Costas Verdes, a Costa Rican nonprofit.As howler monkeys growl in the background, Bolaños points to the picture next to it – an image of the same patch of land but with scores of flourishing, lush green trees. Today, he says, this is how the beach looks. Continue reading...