消耗臭氧层物质是对臭氧层有破坏作用的一类化学物质。为保护臭氧层，1987年9月16日，国际社会达成了《关于消耗臭氧层物质的蒙特利尔议定书》 (简称《蒙特利尔议定书》)，旨在通过采取全球行动，逐步停止消耗臭氧层物质生产和使用。公约和《蒙特利尔议定书》是联合国第一个获得所有国家参与的国际环境公约，也被认为是最成功的国际环境公约。

Des Moines, Iowa — Iowa Gov. Kim Reynolds signed legislation to remove gender identity protections from the state's civil rights code on Friday. In a statement released by her office after the ...

Des Moines, Iowa (AP) — Iowa became the first US state to remove gender identity protections from its civil rights code on Friday when Gov. Kim Reynolds signed into law a bill that opponents say ...

Drug OD deaths are down in the U.S. The decline is being driven by a reduction in opioid ODs The OD death rate increased ... 100,000), South Dakota (11.2), Iowa (14.9), North Dakota (16.4 ...

Offensively Offensive: Lipscomb Preview + Thoughts On ISU’s Draw + How Rotations Will Work Down The Road https://t.co/1V55HiXkwL ...