The National Science Foundation (NSF) is offering a federal grant opportunity titled "Environmental Sustainability," aimed at promoting sustainable engineered systems that support human well-being while being compatible with natural environmental systems. The program encourages research in five principal areas: Circular Bioeconomy Engineering, Industrial Ecology, Green Engineering, Ecological Engineering, and Earth Systems Engineering, with a focus on innovative approaches that balance ecological protection and economic stability. With an estimated total program funding of $7,066,000 and an expected 103 awards, proposals can be submitted at any time, and interested applicants can reach out to NSF grants.gov support at grantsgovsupport@nsf.gov for assistance. For more details, visit the NSF program description at http://www.nsf.gov/funding/pgm_summ.jsp?pims_id=506053.