Editorial: Insights in environmental engineering

The Research Topic “Insights in Environmental Engineering,” cross-listed with the Environmental Catalysis and the Water, Waste, and Wastewater Engineering sections, was initiated on 6 November 2023, and completed on 23 April 2024. Seven papers were published in this Research Topic during its lifespan of less than half a year, including one review, four research, and two perspective articles. A total of 27 authors contributed from nine countries across five continents, including Australia, China, Ethiopia, Germany, India, Spain, Malawi, the United Kingdom, and the United States. This Research Topic, although small, reflects what was intended to solicit in the Research Topic call: forward-looking contributions focused on new insights, novel developments, current challenges, latest discoveries, significant accomplishments, and future perspectives in the field. As of 2 May 2024, it generated 1,018 total downloads and 4,946 total views. Many editors and reviewers have contributed greatly to ensure this Research Topic’s timely and quality publications. Their advice and critique have greatly improved the Research Topic’s quality through the effective Frontiers interactive review process, which is reflected in the final products.