Grey heron infected with West Nile virus A grey heron in the Noord-Holland-Noord region has tested positive for the West Nile virus. The virus is rare in the Netherlands. Bas van de Meulengraaf
Nature and green in the city contribute to the well-being of citizens of Amsterdam The municipality of Amsterdam aims to make the city greener. To gain more insight into the benefits of green infrastructure, it commissioned the development of four different scenarios. For every scenario, and for the current situation, RIVM has calculated the value for the living environment of the city.