Rampant heatwaves threaten food security of entire planet, scientists warn

A stag takes a drink at Dülmen wildlife reserve in Münsterland, Germany, on a sweltering day this summer. Photograph: Imageplotter/Alamy

Successive heatwaves threaten nature’s ability to provide us with food, say researchers, as they warn of an “unseen, silent dying” in our oceans amid record temperatures scorching the Earth.

Heatwaves are ripping through Europe, the US and China, with the global hottest day ever recorded at the start of July, endangering human life as well as the land and sea it depends on.