Graphit rain poses health risk An assessment of potential health risks shows that graphite rain contains heavy metals and PAHs.
European critical loads: database, biodiversity and ecosystems at risk Approximately 79 percent of the nature reserves (Natura 2000 areas) in EU countries are estimated to be exposed to an excess of nitrogen deposition in 2020.
Infection risks of manure unclear A literature review by RIVM shows that little to no research has been done on the possible infectious risks of manure.