The ancient Greeks were indeed a smart lot! Their cities were planned only after carefully studying the seasons. This helped them utilize natural energy resourc

Did you know that as many as 7000 years ago, people who lived in the Indus valley practised rainwater harvesting? Not only that, this smart green civilization a

Of the different groups of people who had settled in Central and South America, The Maya were the largest settlement. There are many green lessons to be learnt

Did you know that the Mesopotamians were the ones who came up with the idea of using wind energy to travel from one place to another? Or, that they were the fir

The Great Pyramid of Giza, built approximately in 2580 BC, stands testimony to the greatness of the ancient Egyptian civilization. The people of ancient Egypt w