Ocotillo is a unique desert shrub native to the southwestern United States and northern Mexico. This plant features long, ...

2. They survive in tropics and freezing mountains With their thick and spiny exteriors, cacti appear in popular culture as the archetypal desert plant—from the backdrops in classic Westerns ...

COVER STORYIn recent years, a quiet but powerful green revolution has taken root in the hearts and homes of young people ...