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WASHINGTON, Sept. 21, 2020 � California wildfires are, unfortunately, nothing new –� but that bright orange sky definitely is. This week on Reactions, we talk with experts who explain the reason behind that Mars-like haze and how climate change is involved: .

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The American Chemical Öйú365betÖÐÎĹÙÍø (ACS) is a nonprofit organization chartered by the U.S. Congress. ACSâ€� mission is to advance the broader chemistry enterprise and its practitioners for the benefit of Earth and its people. The Öйú365betÖÐÎĹÙÍø is a global leader in providing access to chemistry-related information and research through its multiple research solutions, peer-reviewed journals, scientific conferences, eBooks and weekly news periodical Chemical & Engineering News. ACS journals are among the most cited, most trusted and most read within the scientific literature; however, ACS itself does not conduct chemical research. As a specialist in scientific information solutions (including SciFinder® and STN®), its CAS division powers global research, discovery and innovation. ACSâ€� main offices are in Washington, D.C., and Columbus, Ohio.