Correction to: Waste Dispos. Sustain. Energy https://doi.org/10.1007/s42768-019-00001-3, https://doi.org/10.1007/s42768-019-00002-2, https://doi.org/10.1007/s42768-019-00003-1, https://doi.org/10.1007/s42768-019-00004-0, https://doi.org/10.1007/s42768-019-00005-z, https://doi.org/10.1007/s42768-019-00007-x, https://doi.org/10.1007/s42768-019-00008-w, https://doi.org/10.1007/s42768-019-00009-9, https://doi.org/10.1007/s42768-019-00010-2, https://doi.org/10.1007/s42768-019-00011-1, https://doi.org/10.1007/s42768-019-00012-0, https://doi.org/10.1007/s42768-019-00013-z, https://doi.org/10.1007/s42768-019-00014-y, https://doi.org/10.1007/s42768-019-00015-x, https://doi.org/10.1007/s42768-019-00017-9, https://doi.org/10.1007/s42768-019-00019-7, https://doi.org/10.1007/s42768-019-00020-0, https://doi.org/10.1007/s42768-019-00022-y, https://doi.org/10.1007/s42768-019-00023-x, https://doi.org/10.1007/s42768-019-00024-w, https://doi.org/10.1007/s42768-019-00025-9, https://doi.org/10.1007/s42768-019-00026-8, https://doi.org/10.1007/s42768-019-00027-7, https://doi.org/10.1007/s42768-019-00028-6, https://doi.org/10.1007/s42768-019-00029-5, https://doi.org/10.1007/s42768-019-00030-y, https://doi.org/10.1007/s42768-019-00031-x, https://doi.org/10.1007/s42768-019-00032-w, https://doi.org/10.1007/s42768-020-00033-0, https://doi.org/10.1007/s42768-020-00035-y, https://doi.org/10.1007/s42768-020-00036-x, https://doi.org/10.1007/s42768-020-00037-w, https://doi.org/10.1007/s42768-020-00038-9, https://doi.org/10.1007/s42768-020-00039-8, https://doi.org/10.1007/s42768-020-00041-0, https://doi.org/10.1007/s42768-020-00042-z, https://doi.org/10.1007/s42768-020-00046-9, https://doi.org/10.1007/s42768-020-00050-z, https://doi.org/10.1007/s42768-020-00053-w, https://doi.org/10.1007/s42768-020-00056-7, https://doi.org/10.1007/s42768-020-00057-6, https://doi.org/10.1007/s42768-020-00061-w, https://doi.org/10.1007/s42768-020-00063-8.

Conflict of Interest statements were not included in the published version of the following articles that appeared in previous issues of Waste Disposal & Sustainable Energy. The statement is:


Conflict of interest


The authors declare that there is no conflict of interest.