Oil shale, or kukersite, is the most important mineral resource of Estonia, which has been the main source of electricity since 1924, but also a source of environmental problems The oil shale industry has significantly affected the socio-economic and natural environment of the Ida-Viru County for almost a century [1]. Due to oil shale mining and processing and activities related to oil shale...

Estonia has an obligation to rehabilitate at least 2,000 ha of cut-over peatlands in the period of 2014–2020 Cut-over peatlands are former peat mining areas and mire areas used for agricultural purposes where economic activity has ceased [1]. Cut-over peatlands can be classified according to their formation and characteristics [2]; two of the most common indicators are the thickness of the peat...