Correction to: Environmental Science and Pollution Research

https://doi.org/10.1007/s11356-019-05787-7

The article “Cu/N-codoped TiO2 prepared by the sol-gel method for phenanthrene removal under visible light irradiation,” written by Zhenhua Zhao, Abduelrahman Adam Omer, Zhirui Qin, Salaheldein Osman, Liling Xia, and Rajendra Prasad Singh, was originally published electronically on the publisher’s internet portal (currently SpringerLink) on 17 July 2019 with open access.

With the author(s)’ decision to step back from Open Choice, the copyright of the article changed on September 2019 to ©Springer-Verlag GmbH Germany, part of Springer Nature 2019 and the article is forthwith distributed under the terms of the copyright.