The very first Earth Day was celebrated on April 22, 1970. About 20 million Americans joined rallies, cleanups and teach-ins ...

As part of its annual Earth Day celebration, H-E-B will give away 274,000 free reusable bags to customers across Texas.

The 100th meridian marks a dividing line between moist climates to the east and arid climates to the west. Climatologists now ...