Smokers inhale more tar, nicotine and carbon monoxide when measured with WHO method RIVM has measured the amount of tar, nicotine and carbon monoxide (TNCO) in all filter cigarettes sold in the Netherlands with the WHO Intense method.
The 2020 Nitrate Report: nitrate levels in the water on farms on the rise again since 2017 More nitrogen and phosphorus have been ending up in the soil on farms since 2015. As a result, nitrate concentrations have been rising since 2017 in leachates and ditch water from those farms.