In a nutshell: how do bees help us to stay alive?

“When one tugs at a single thing in nature, he finds it attached to the rest of the world” – John Muir
This week, I’ve seen a number recirculated reports in the media referring to a quote attributed to Albert Einstein: “If the bee disappeared off the surface of the globe then man would only have four years left to live” – a sobering statement could not be more relevant during our current climate crisis.