Revelation 7:1

And, after these things, I saw four angels, standing at the four corners of the earth, holding the four winds of the earth, that the wind might not blow upon the earth, nor upon the sea, nor on any tree.

Revelation 9:4

And it was said to them that they should not injure the grass of the earth, nor any green thing, nor any tree; but the men who had not the seal of God in their foreheads.

Revelation 9:14

saying to the sixth angel, who had the trumpet, Loose the four angels who are bound by the great river Euphrates.

Revelation 4:1-6

After these things, I saw, and behold, a door opened in heaven: and the first voice which I heard was as of a trumpet speaking to me; and it said, Come up hither, and I will show you what shall be hereafter.

Revelation 6:6

And I heard a voice in the midst of the four living creatures, saying, A chenix of wheat for a denarius, and three chenices of barley for a denarius; you see that you injure not the oil, nor the wine.

Revelation 7:3

saying, Injure not the earth, nor the sea, nor the trees, till we have sealed the servants of our God, in their foreheads.

Treasury of Scripture Knowledge

Summary

And after these things I saw four angels standing on the four corners of the earth, holding the four winds of the earth, that the wind should not blow on the earth, nor on the sea, nor on any tree.

Bible References

Four angels

Revelation 4:6
And before the throne there was a sea of glass, like crystal. And in the middle of the throne, in the circle about the throne, there were four living creatures, full of eyes, before and behind.
Revelation 9:14
saying to the sixth angel, who had the trumpet, Loose the four angels who are bound by the great river Euphrates.

The wind

Revelation 6:6
And I heard a voice in the midst of the four living creatures, saying, A chenix of wheat for a denarius, and three chenices of barley for a denarius; you see that you injure not the oil, nor the wine.
Revelation 9:4
And it was said to them that they should not injure the grass of the earth, nor any green thing, nor any tree; but the men who had not the seal of God in their foreheads.