The substitution of livestock meat with with edible insects, lab grown meat and imitation meat showed sustainability in the latter as alternative food source that will be available to the human population and at the same time reduces greenhouse gas emission.
Honeybees are dying en masse all over the globe, and it's not just lovers of honey that should be concerned. These mass deaths will change our dinner plates forever, not to mention raise the cost of eating generally. In a world where food security and hunger are crucially important, this is bad news for everyone.
It's not as colorful in an action movie as invaders from other galaxies, for example, but it seems that soil erosion might be just as deadly to humans. Scientists from the University of California, Berkeley warn that human food security is at risk from the accelerating rate of soil depletion.