Natural adsorbent, laterite soil was selected and found to be an effective adsorbent for arsenic removal from arsenic bearing drinking water. The real arsenic bearing groundwater was collected from Nivedita Palli, 24 Paraganas, one of the arsenic affected areas of West Bengal.

In the early 1970s, facing overwhelming obstacles, a young visionary named Paolo Lugari set out to build a sustainable village on los llanos, the remote plains of Colombia, some 500 kilometers east of the country

The paper discusses some low cost and energy saving technologies for water and wastewater treatment.

This paper deals with studies on the removal of fluoride by using bark of drumstick and its leaves. The above said adsorbents are effective defluoridating agents and therefore used in the diet through cooked leaves and its vegetables. 2007

Although pottery is an age old craft and a rural tradition in India, it continues without any modern technical interventions in tiny segments with outdated and inefficient technologies. This sector has not succeeded in responding to the newer demands of the market as well. Innovative technological inputs are required in improving the throwing wheel involving the technology of modern clay pottery with reduced energy and time consumption and increased speed of operations.

There is an acute shortage of power for decentralized communities of the rural sector in India even after installing power generation capacity of about 110,000 MW. In order to meet rural energy needs, the decentralized power generation is an alternative measure and can be produced through renewable energy sources. There is tremendous potential of utilizing biomass in India, but direct use of biomass leads to inefficiency. Therefore in order to effectively utilize biomass, it is converted into biofuels such as biodiesels, ethanol, biogas and producer gas etc.