Companies in Europe, Australia and Japan are buying more certified sustainable palm oil than ever before, but urgent action is still needed to avoid the irreversible loss of tropical forests, according to WWF’s 2011 Palm Oil Buyers’ Scorecard, the latest assessment of the industry that buys palm oil.   “It’s never been easier for companies to be responsible about the palm oil they use,” said Adam Harrison, senior policy officer for WWF UK and WWF’s representative on the Roundtable on Sustaina...