Theme: "Invest In Our Planet"
Earth Day is an annual event and important international day celebrated on 22 April every year.
Earth Day is celebrated world wide to demonstrate support for environmental protection.
First Earth Day was celebrated on 22 April 1970 and since then it is celebrated every year on 22 April. Earth Day celebration includes wide range of events globally coordinated by earthday.org to protect our earth.
UN 2008:
The United Nations General Assembly proclaimed the year 2008 to be the United Nations International Year of Planet Earth (UN-IYPE)
Earth scientists around the world (with their professional bodies) initiated this UN 2008 undertaking which ran from 2008 to 2010.
DID YOU KNOW THIS?
Scientists' best age estimates are as follows:
Age of the Universe:
13.8 billion years old
Age of the Milky Way Galaxy:
13.6 billion years old
Age of the Solar System:
4.57 billion years old
Age of the Earth
4.54 billion years old
Please, "Invest In Our Planet"
From:
Sospeter Muhongo
Former Chair of the Science Programme Committee of the UN-proclaimed International Year of Planet Earth (UN-IYPE)
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