Rampant heatwaves threaten food security of entire planet, scientists warn

After hottest day ever, researchers say global heating may mean future of crop failures on land and silent dying' in the oceans

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.