GREENWOOD VILLAGE, Colo., Sept. 25, 2025 (GLOBE NEWSWIRE) -- Arq, Inc. (NASDAQ: ARQ) (the "Company" or "Arq"), a producer of activated carbon and other environmentally efficient carbon products, today announced the publication of its 2024 Sustainability Report. This comprehensive report demonstrates Arq's continued leadership in environmental technology while achieving strong financial performance and advancing environmental, social, and governance (ESG) excellence across all operations. "Our 2024 Sustainab ...