Yale Environment 360: With populations hovering at less than 3,500 worldwide, tigers have long been considered on the brink of extinction. But scientists finally have good news: Habitat loss has slowed down more than expected in recent years due to conservation efforts, and there is now enough forest for tigers to double in number by 2022. According to a new study in the journal Science Advances, less than 8 percent of global tiger habitat disappeared between 2001 and 2014, 98 percent of which happened in Indonesia and...