Daily Archives: February 13, 2008

India has a 3313769-kilometer long road network. It consists of 200 kilometere of expressways; 65569 km of National Highways; 128000 km of State Highways; 470000 major km of rural roads. The National Highway constitutes less than 2 percent of the … Continue reading →

The greenhouse effect is unquestionably real and helps to regulate the temperature of our planet. It is essential for life on Earth and is one of Earth’s natural processes. It is the result of heat absorption by certain gases in … Continue reading →

Urban populations in India are concentrated in the six most developed states Maharashtra, Gujarat, Tamil Nadu, Karnataka, West Bengal and Punjab where rates of urbanisation remained the same or increased during the 1990s. On the other hand urbanisation rates slowed … Continue reading →

Satellites come in all shapes and sizes and play a variety of roles. For example: * Weather satellites help meteorologists predict the weather or see what’s happening at the moment. Typical weather satellites include the TIROS, COSMOS and GOES satellites. … Continue reading →