Today marks the 50th year of the founding of World Environment Day (WED). An international meeting called Stockholm+50 is being organised by the United Nations Environment Programme (UNEP) to commemorate WED. The theme for the event this year is “Only One Earth” — the same one used when world leaders first convened in Stockholm in 1972. As a prelude to Cop27 in November, the goal of this year’s event is to remind “everyone, everywhere, to live sustainably” and mitigate the threat of climate change, biodiversity loss and pollution. Recently, UNEP shared a chilling warning to remind us why we mu…