By the light of a head torch, Wanida Hityim deftly strips bark from a rubber tree, collecting the milky latex as she explains why she is among a small number of Thai farmers trying to work more sustainably.
As the world's largest producer of natural rubber -- supplying more than a third of global stocks in 2021 -- Thailand's policies have stimulated massive deforestation, plummeting biodiversity and soaring soil erosion.
