Joanne Husain visits the Pointe-a-Pierre Wildfowl Trust, and encourages schools and families to enter this classroom in nature on the edge of Trinidad and Tobago’s 100-year-old refinery. Ducks steadfastly preening at the water’s edge are momentarily interrupted by an aureate feathery flash. Three blue-and-yellow macaws bank, announcing their arrival with cacophonous cries before settling in