https://meconstructionnews.com/46484/wolffkran-achieves-climate-neutral-certification-in-germany
Wolffkran achieves climate-neutral certification in Germany | Middle East Construction News
Mar 2, 2021 - Tower crane-maker offsets emissions with purchase of 8,070 climate protection certificates for 2020-21 and also plans other climate protection projects
climate neutral certificationin germanymiddle eastconstruction newswolffkran