Would you like to improve your English Vocabulary and donate rice to the hungry at the same time? If your answer is yes then I have got the perfect solution for you – Freerice
About Freerice (taken from their FAQ):
FreeRice is simply a website committed to the cause of ending hunger around the world. While it is not a registered non-profit organization, it is run entirely for free and makes no profit. All money raised by the site goes to the UN World Food Program to help feed the hungry. Sponsors make all payments to the UN World Food Program directly.
Read their FAQ section for more answers. An Ad-based website where you learn some new English words and donate rice in the process of learning is what it is all about. All the money needed for the donation is generated from the Advertisement on the page. This is a great chance to contribute our time to end World Hunger and also learn new things in the process.