B2 noun /wɜːrld ɪnˈvaɪrənmənt deɪ/
World Environment Day
Día Mundial del Medio Ambiente
Meaning
An annual global event celebrated on June 5 to raise awareness about environmental protection and encourage action for environmental conservation.
Example
World Environment Day is celebrated every year on June 5.
El Día Mundial del Medio Ambiente se celebra todos los años el 5 de junio.