Wall Street Journal: Forest clearing can have just as catastrophic an impact on the world's climate as carbon pollution, according to a new study published in the peer-reviewed science journal Nature Climate Change. The study finds that deforestation increases global temperatures, causes a decline in average rainfall and a shift in its location, which impacts agriculture. That's something that President Joko Widodo should make note of, say environmentalists. The study, "Effects of Tropical Deforestation on Climate...