Arbor Day is a holiday that is celebrated annually on different days in various countries around the world, with the common goal of encouraging the planting and care of trees.
Palm Sunday is a Christian moveable feast that falls on the Sunday before Easter.
Arbor Day (or Arbour Day in some countries) is a secular day of observance in which individuals and groups are encouraged to plant trees.
World Environment Day is observed annually on June 5th and is an opportunity to raise awareness and encourage action to protect our planet and its natural resources.
