Madison: University of Wisconsin-Madison computer science researchers have developed a method for using social media posts to estimate air pollution levels with significant accuracy.

With growth in the world economy the demand for energy and transportation has been increasing. (Read in Hindi: बायो-डीजल के बल पर हरीतिमा की ओर भारतीय रेल)

“Earlier our electricity bill used to be between three to four hundred rupees now it does not exceed ₹250,” says Budhram a student of Government Senior Secondary School Rambas in Narnaul district of Haryana. (Read in Hindi: जरूरी है ऊर्जा बचत की आदत का विकास)

The need to have a sustainable energy supply necessitates the exploration of available energy resources. Among these, renewable energy resources are in the forefront. It is now an established fact that renewable energy can be an integral part of sustainable development because of its inexhaustible nature and environment friendly features. Renewable energy can also play an important role in resolving the energy crisis in urban areas to a great extend. (Read in Hindi: नवीकरणीय ऊर्जा क्षेत्र में जुटे अनुसंधान संस्‍थान)

Washington: The Assyrian Empire once dominated the ancient Near East. At the start of the 7th century BC, it was a mighty military machine and the largest empire the Old World had yet seen. But then, before the century was out, it had collapsed. Why? 

Mathura: Lakhs of Sri Krishna devotees from all parts of the world visit the Leela Bhoomi of Radha Krishna in Braj mandal but the legendary gardens and forests where the gops and gopis played, the holy cows grazed, and Krishna performed his Ras Leelas have all but disappeared and in their place have come up concrete structures and temples of ugly lucre.