Geothermal has its own shares of risks (crossing waterways in the ground can lead to contamination and the drilling can cause earthquakes, <a href="http:&#x2F;&#x2F;www.deutschlandfunk.de&#x2F;erdwaerme-in-deutschland-erdbebengefahr-behindert-den-ausbau.676.de.html?dram:article_id=309801" rel="nofollow">http:&#x2F;&#x2F;www.deutschlandfunk.de&#x2F;erdwaerme-in-deutschland-erdbe...</a>), and biomass fouling towers look ugly, stink and the cow manure (or whatever is to be used as fuel) has to be transported.