The document discusses Earth Day, which is celebrated annually on April 22nd. It notes that Earth Day was first held in San Francisco in 1970 and was organized by Senator Gaylord Nelson and Denis Hayes to encourage people to be more environmentally conscious and take better care of the Earth and its resources, as the planet's gifts are not infinite.

2. • Nearly all branches of
natural science have
contributed to the
understanding of the main
events of the Earth's past.

3. • The Earth Day is in 22.
april. Why we must
remind this day ?
• Because we remind at
least one day in year our
dependability on bond
gifts by the Earth.
• We remind Earth day
too, because we must
aware that Earth resources
are not forever...

4. The first day was in San Francisco in 22. aprila 1970.
On this day people are trying to take care of the earth and its gifts
to the dock.

5.  Senator Gaylor
Nelson
 Organized by Denis
Hayes