Day of the Locusts
In Revelation 8, we read of seven angels sounding off trumpets. These mighty horn-blasts warn all of humankind about awesome calamities coming upon the earth.
The first four blasts warn of incredible pollution that poisons the trees, grass, rivers and seas, as well as the air. Waters become bitter, and skies darken over one-third of the earth.
Then, in chapter 9, a fifth warning comes. It describes a worldwide invasion of locusts: