phytochemicals
发表于 2025-3-28 15:59:51
Introductionhese costs in 1994 climbed to over $115 billion. By the year 2000, these costs are expected to top $ 200 billion per year (EPA environmental investments, EPA–230–11–90–083, 1990). Total annualized costs, by funding source, of U.S. pollution control for 1972, 1980, 1987 and projections for 2000 in 19