Capital and operating expenditures on environmental activities by industry (x 1,000,000)

Annual estimates of capital and operating expenditures on environmental protection activities by North American Industry Classification System (NAICS) at the Canada level. The unit of measure is dollars (x1,000,000).

北美行业分类系统（NAICS）在加拿大级别对环境保护活动的年度资本和运营支出估算。计量单位为美元（百万为单位）。