… even after mining is completed. The gas then funnels to the surface via the old shafts. The composition depends on many parameters and can range from methane … unused, mine gas from disused coal mines escapes into the atmosphere through old tunnels and shafts and enormous quantities of natural gas escape from natural …

… has proven successful. Thereby sources of contamination as well as foundations on old sites can be excavated precisely. Source: Frauenstein Investigation of … groundwater treatment plant on an installation site Contaminated groundwater on old sites requires a remediation, mostly through mobile or semi-mobile plants, as …

… has proven successful. Thereby sources of contamination as well as foundations on old sites can be excavated precisely. Source: Frauenstein Investigation of … groundwater treatment plant on an installation site Contaminated groundwater on old sites requires a remediation, mostly through mobile or semi-mobile plants, as …

… the knowledge of all the other crises – especially the climate crisis – is calling old certainties into question. We will have to talk about fragility and resilience. … the knowledge of all the other crises – especially the climate crisis – is calling old certainties into question. We will have to talk about fragility and resilience. …

… their own interest, brings lobbyists of every shade to the scene – preferably with old wish lists on hand. On the one hand, climate change mitigation is put under … public aid should be allocated. The “Abwrackprämie” (scrapping premium to replace old by new cars) Germany introduced after the 2009 financial crisis warns as an …

… user of a property can contribute to soil pollution, for example when there are old, defective sewer pipe systems or cesspits on the property or when biocides are … Precautionary values are established on the basis of ecotoxicological effect thresholds and compared with rural background concentrations. They contain a safety margin …

… obstacles to brownfield redevelopment are the presence of existing constructions, old utility lines, old foundations, and site contamination . The need to demolish existing structures …

… use in 2011 was mainly driven by demographics. The increase in the number of households slowed due to a reduced influx of immigrants to Germany over the past decade. … regions have experienced declines in both population and the numbers of households, resulting in higher vacancy rates and fewer housing starts. Since 2011, the …

… is the first to see the Antarctic Peninsula, followed by the just 19-year-old American fur trapper Nathaniel Palmer and the voyager Gottlieb von … team reach the Pole on 18 January. The entire expedition dies of starvation and cold on the return journey. 1915 : Ernest Shackleton plans the first trans-Antarctic …

… is increasing in all of the world's oceans; it has doubled and even increased fourfold over the last 50 years in some regions. Anthropogenic underwater noise is caused … can damage the hearing ability of marine animals or cause temporary threshold shifts (TTS) or even permanent threshold shifts (PTS) in hearing, that is, …