People have always been proficient at making trash. Future archaeologists will note that at the tail end of the 20th century, a new, noxious kind of clutter exploded across the landscape: the digital detritus that has come to be called e-waste. More than 40 years ago, Gordon Moore, co-founder of the computer-chip maker Intel, observed that computer processing power roughly doubles every two years. An unstated corollary to "Moore's law" is that at any given time, all the machines considered state-of-the-art are simultaneously on the verge of obsolescence.

Physico-chemical analysis of groundwater in Churu block was performed to have a clear picture of water quality so that remedial measures could be worked for. Fluoride higher thatn 2ppm may cause osteoporosis and fluorosis. High nitrate is alarming as it indicates possibility of seepage from sewage.

This study represents a comprehensive analysis and scientific validation of our ancient knowledge about the effect of ethnopharmacological aspects of natural products' smoke for therapy and health care on airborne bacterial composition and dynamics, using Biolog microplate panels and Microlog database.

Urban populations are exposed to a high level of fine and ultrafine particles from motor vehicle emissions which affect human health.