The Atlantic Blame climate change, wildfires, hungry beetles … and Millennial home buyers. Joe Sohm / Visions of America / Universal Images Group / Getty Every week, our lead climate reporter brings you the big ideas, expert analysis, and vital guidance that will help you flourish on a changing planet. Bitcoin? Blasé. Gold? Going out of style. “The hottest commodity on the planet,” according to Dustin Jalbert, an economist at the market-research firm Fastmarkets, is lumber. In North America, lumber is typically traded in units of 1,000 board feet; builders need about 15,000 board feet...