It is the same reason honeybees are dying off. It is a result of people using herbicides and pesticides and planting large areas with one crop, such as corn, wheat, etc.
There are too many people on Earth, and that is the root cause of the problem. There were about 1.6 billion people on Earth in 1900. There are about 7 billion people on Earth today, and it will be 8 billion in 2025. And it will continue to increase for the foreseeable future. We will reach a point where not enough food can be produced for all the people on Earth, then things will get very interesting. It won't be pretty.
There are too many people on Earth, and that is the root cause of the problem. There were about 1.6 billion people on Earth in 1900. There are about 7 billion people on Earth today, and it will be 8 billion in 2025. And it will continue to increase for the foreseeable future. We will reach a point where not enough food can be produced for all the people on Earth, then things will get very interesting. It won't be pretty.