By Hans Nicholas Jong JAKARTA — An analysis of eight years’ worth of data by the international conservation charity the Zoological Society of London (ZSL) reveals a troubling decline in transparency and the environmental, social and governance (ESG) reporting of the world’s 100 leading tropical timber and pulp companies. Since 2014, ZSL has been assessing ESG policies of these 100 most-significant timber and pulp companies through its corporate transparency initiative called the Sustainability Policy Transparency Toolkit (SPOTT). “Together, these top 100 companies manage forests almost the siz…