OPEC's Secretary-General on Thursday criticized a report calling for radical action to fight climate change, saying the idea that renewable energy was the world's only future was misguided and that a "bombardment" of green advocacy could be harmful. SEE MORE Europe's petrochemical sector must prepare now for the trade war, US start-ups, Brexit and the circular economy, a leading chemicals consultant says. SEE MORE Asia’s spot butadiene (BD) prices have continued their downtrend this week, opening the arbitrage window to the US market. SEE MORE Base metals prices fell sharply on Thursday, tracking a broad sell-off on equity markets as a gloomy macro-economic outlook raised concerns over demand-growth. SEE MORE Oil prices slumped to two-week lows on Thursday as global stock markets fell, with investor sentiment made more bearish by an industry report showing U.S. crude inventories rising more than expected. SEE MORE