A quiet battle is being fought in the forests of western North America, and millions of pine trees are dying in its wake. Shades of green that once permeated the flora of British Columbia’s forests are disappearing. …According to Christine Chiu — a graduate student focusing on botany and chemical ecology at UBC — climate change, specifically rising temperatures, has played a major role in the widespread decline of the forests over the course of the past two decades. …Treating this problem has proven difficult, to put it mildly. “Preventing the spread of this species is extremely laborious,” said Chiu. …Imagine hunting for a needle in a haystack, except the needle only becomes visible after it’s too late.