Mongabay: Members of the Roundtable on Sustainable Palm Oil (RSPO), an initiative developing criteria to improve the environmental performance of palm oil, agreed to declare the Bukit Tigapuluh Ecosystem in Sumatra a ‘high conservation value area’. The decision, voted on by RSPO General Assembly members at the group’s annual meeting earlier this month in Kuala Lumpur, effectively bans oil palm development of the endangered forest ecosystem by RSPO members. Bukit Tigapuluh Ecosystem has been …