Earth Day is a 50-year-old celebration

Earth Day is an annual event held around the world, April 22, to demonstrate the need for environmental protection and is celebrated by over 1 billion people globally.

First celebrated in 1970, it now includes events coordinated by Earth Day networks in more than 193 countries and is 50 years young this year.

Man has dwelt on this planet for a long time. Spring has been the season for rebirth, with the singing of birds to rejoice in regrowth.

Now in many parts of the world, spring is strangely silent, for many of the birds are forever gone.

As the world turns, man has tried to harness the land...