On Chilean water regulator Oscar Cristi’s desk in Santiago, a small white espresso cup teeters atop piles of documents and loose folders that appear on the point of collapse, perhaps an apt metaphor for the growing water crisis in parts of the Andean country.

Scientists called this week for greater transparency over the use of tax havens by companies involved in activities that have harmed the world’s oceans and the Amazon rainforest.

Last year, Brazilian farmer Gustavo Lopes sized up his sugarcane plantation against his soybean fields.