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.
Urgent need for more research into environmental effects of microplastics Additional solutions are urgently needed to limit emissions of microplastics into the environment. Growing quantities of microplastics (particles of 5 mm or less) are entering our living environment every day.