Answer:
Horrendous - extremely unpleasant, horrifying, or terrible
Explanation:
Looking at the information here, it can be interpreted that the world could face extremely unpleasant consequences should we not do something to help the population of the bees that are already being threatened by the collapse of their colony.
These flying insects are very important to us because they form part of our food chain. When they die, it means we may likely face the loss of food and that would be something very unpleasant.
