TORONTO—The public does not trust the mining industry even as it expects miners to produce more metals to decarbonize the global economy and raise standards of living around the world, according to mining executives speaking in Toronto this month at the yearly gathering of the Prospectors & Developers Association of Canada. The focus on minerals has broadened the interest in mining, but also the scrutiny, said Colin Hamilton, a commodities analyst with BMO Capital Markets. At the same time, the mining industry is facing long permitting times, a lack of labor, cost inflation and a “trust defici…