Sustainability

Arecanut is generally grown in the Malnad area of Karnataka, which receives high rainfall. However, it is also grown in dry land areas of Tumkur district, also in Karnataka, using groundwater. Arecanut cultivation area doubled from 5851 hectares in 1990-91 (Kumar 2003) to 12,628 hectares in 2001-02 (DES GoI); and nearly doubled to 22,058 hectares in 2008-09 (DES GoI).

While most parts of the country are facing a water crisis, here’s a case from the arid state of Rajasthan, where decentralized initiatives are solving water issues. Dungarpur in southern Rajasthan has exemplified how community participation with local level planning processes are working towards improving rainwater harvesting and recharge of groundwater.

NITI Aayog, the Government of India’s policy think tank, recently released the second edition of the Composite Water Management Index to enable effective water management in Indian states. It warns that the country will lose 6% of its Gross Domestic Product (GDP) by 2050 because of a water crisis. The annual per capita availability of water is expected to reduce to 1,140 cubic metres by 2050, near to the official water scarcity threshold of 1,000 cubic metres.

Greater Noida, September 5 (India Science Wire): Degradation of land, which leads to the process of desertification, is not limited to arid and semi-arid areas but is also visible in high altitude regions that get very little rainfall and are known as cold deserts.

India is reeling from a severe water crisis. Large parts of the country are experiencing water-stress worsened by the ever increasing demand for water due to population growth, rapid urbanisation, changing lifestyles and consumption patterns, inefficient use of water and climate change.

Drinking water programs in India treat urban and rural areas separately, generally neglecting the special characteristics of settlements referred to as peri-urban – those on the outskirts or peripheries of urban areas, or “rurban” settlements i.e. rural areas with urban facilities.

A study published in the Journal of Remote Sensing and Space Sciences, analyzing the cooling effect of the city of Ahmedabad’s water bodies, has thrown up some interesting findings. The east bank of the Sabarmati river, which flows through Ahmedabad, was found to be significantly cooler than the west bank, witnessing a greater drop in temperature even during summer. The study provides direct evidence of how water bodies affect temperature variations.

Rains wreak havoc in Uttarakhand, Himachal Pradesh and Punjab

Following the southern states witnessing heavy rainfall and floods this monsoon, the northern parts of India are now also experiencing incessant rains.

Besides showcasing the architectural expertise and aesthetics of their time, temple tanks also play an extremely important role as water storage systems in Chennai. Chennai has 39 temple tanks (excluding the suburban area) according to a study conducted in 2008.  As the rains arrived, a few temple tanks in the city were filled to the brim with water, thus helping in groundwater recharge while offering a spectacular view for devotees.