The Weekly Observer

Page 1

Volume 16 Issue 3

An IIJNM Publication

Vanishing lakes adding to Bengaluru’s weather woes By Mrigakshi Dixit mrigakshi.d@iijnm.org BENGALURU: The ‘Garden City’ of India is famous for its moderate, year-round climate. But the metropolitan city surrounded by a wide, green belt and lakes is slowly losing its charm with years of rapid urbanisation. According to Bruhat Bengaluru Mahanagara Palike (BBMP), the city now accounts for just 189 lakes, both natural and man-made, which remain in the city. With the vanishing lakes, severe climate change and a population of 8.42 million, scientists believe the city is on the brink of dying. “The extinction of the lakes is one of the major factors for the climate change of the city,” said Dr. Ramadevi, consultant for climate change at Environmental Management and Policy Research Institute, Bangalore. “The wetlands are set to be balancing the ecosystem from over the years. But now with fewer numbers of wetlands, there is total disturbance of climate activities leading to hot sunny days and irregular rainfall.” Ninety-eight per cent of Bengaluru’s lakes, once a great source of irrigation and drinking water, are in a bad condition, said Dr. M.D Shubash Chandra, professor at the Indian Institute of Science. “Most of the lakes are being encroached for privatisation or encroached by mafia; in many is dumped untreated industrial waste and are polluted with thousands of inorganic agents that degrade the condition and dry up the lakes.” In the Indian Institute of Science study, 105 lakes were surveyed. Of

September 23, 2016

Mooo-sance: Cattle chaos on Hulasuru Roads By Ashima Choudhary ashima.c@iijnm.org BENGALURU: The abundance of stray cows and buffaloes on the city’s main roads indicates no one is manning the herd, and it is resulting in nearly an accident a day. Stray cattle can be seen rummaging through garbage for food and moving freely on the streets of Bangalore. And what they leave behind is not so pleasant.

Sarakki lake has turned into a wild mess due to eutrophication leading to the further deterioration of lake. | Photo Courtesy: Mrigakshi Dixit

the 105, only four lakes were in a good condition; 25 lakes were in an extremely bad condition. “Most of these lakes are affected by eutrophication, or the deposition of phosphates and nitrates at the surface of the lake promoting algal bloom. The thick layer of deposits blocks the oxygen transfer and sunlight penetration into the lake causing the lake animals to die and a severe misbalance of the climate,” say scientists. “The lake deposits are from heavy discharge of industrial waste, untreated solid waste or continuous deposit of fertilizers and pesticides from agriculture,” they added. “Eutrophication can be seen in most of the lakes like Sarakki Lake, Gutterahalli Lake, Varthur, Maragondanahalli, Bellandur, Puttenahalli, to name a few,” said Dr. Subhash Chandra. “The wetlands water level is also reducing by 2,000 litres, leading to the loss of flora and fauna of the lakes. The lakes in Bengaluru constituted a major number of African catfish but now hardly any lakes support

Cattle waste has left a disagreeable odour and the cows themselves have caused traffic jams and, at times, accidents. “Road accidents caused due to

brought into our notice since people cannot complain against a cow.” Monsoons make the conditions worse due to an abundance of weeds and slippery roads. Cattle manure lines the entire length of the road from the Hulasuru Metro station to Indiranagar Metro station. “Cows sit in front of our shops and block the entrance causing our customers difficulty in entering,” said the owner of a pharmacy in Hulasuru. A year ago, the fine imposed on proprietors of stray cattle was in-

aquatic life.” The city marked its highest temperature rise on April 24, 2016 with 39.2-degrees Celsius (103 °F), the highest temperature recorded since April 1931. “Many lakes are a spot for dumping garbage on a daily basis. They do not have proper buffer zones, they are foam-filled. Sewage treatment plants are not installed in the lakes and sometimes the waste is more compared to the plant, and 50 per cent of the STP’s do not function properly,” said Dr. Chandra Also of concern, said scientists, an increase in temperature is due to global warming. The more lakes are depleted, the greater the emission of greenhouse gases in the atmosphere, leading to temperature increases. “Wetlands reduce the emission of gases like methane and carbon dioxide into the atmosphere. Similarly, industries, construction and malls add to the vanishing of lakes,” said Dr. Chandra Cont’d. on Pg 4

Cattle lazing beneath Hulasuru Metro Station. | Photo Courtesy: Ashima Choudhary

stray cattle are an everyday event now,” said G. Hanumantha Raja, Hulasuru traffic police officer. “An average of 20 accidents happen in a month and a large number of vehicles are damaged almost daily. Sadly, these are not the exact numbers since we record such accidents as road accidents and no separate record is maintained for accidents due to stray cattle,” Raja added. “A large number of such accidents are not

creased from Rs. 100 to Rs. 600, yet this has seemingly not dissuaded them from allowing the animals to roam free in the city. The Bruhat Bangalore Mahanagara Palike’s efforts at imposing stringent fines on owners who leave their cattle to graze without supervision has only brought about repeat wrongdoers willing to pay a fine and later leave their cattle again to roam around the city.

Air pollution rising critically in India’s Garden City By Bhakti Tambe bhakti.t@iijnm.org BENGALURU: Air pollution in India’s ‘Garden City’ is increasing rapidly, according to recent findings. A report by Karnataka State Pollution Control Board (KSPCB) shows that the air quality index (AQI) of areas like KHB industrial area and Peenya industrial area has increased from a satisfactory level of pollution of 77-97 AQI to a moderate level of 109 AQI from June, 2016 to July, 2016. Moderate levels of pollution can cause breathing discomfort, severe respiratory problems among children, older adults and those who are suffering from cardiac issues, according to KSPCB. A survey conducted by Breathe Blue in 2015, reported that 14 per cent of school-going children in Bengaluru suffer from respiratory

problems because of air pollution. Bengaluru, an IT hub, stands 12th on the air pollution index of Indian cities, according to World Health Organization’s Ambient Air Pollution Database 2014. Dr. Nagappa, scientific officer at KPSCB, said that overpopulation and more vehicles on the road are contributing to the deterioration of air quality in the city of Bengaluru.

ular population to about 1.5 million, with an annual growth rate of 7-10%. Two wheelers constitute more than 70% of the total volume, while cars comprise 15%, auto rickshaws 4% and the re-

and e-government), explained, “People tend to buy non-transport vehicles such as two-wheelers and four-wheelers for the purpose of pleasure and convenience. If one can afford a vehicle, he/she can buy it. Also, unavailability of metro service in the outskirts of the city makes people use their own vehicles for transportation.”

“I live in Yelhanka and my office is in Electronic City. According to When breath becomes smoke; Heavy and old vehicles are a major contributing factor to pollution. There is no | Photo Courtesy: wordpress.com the data available metro station maining 8% includes other vehion Bengaluru City Traffic Police near my house or near to the Eleccles such as buses, vans and website, “Rapid population tronic City. So, it is convenient for tempos.” growth because of IT and other asme to commute on my twosociated industries in Bengaluru wheeler than using the public Mr. Mallikarjuna, joint commishas led to an increase in the vehictransport,” said Satish Walikar, 36 sioner for transport (environment

and a resident of Yelhanka. Mallikarjuna said, “Heavy vehicles, old two-stroke engine twowheelers and old cars contribute a great deal to air pollution. Banning the old vehicles with two-stroke engines and encouraging more and more people to buy four-stroke engine vehicles can help to control the air pollution.” According to Nandikesh, Green Peace chief campaigner “Air Pollution has no boundaries. A city or a state cannot solve the problem on its own. Hence, India needs a clean air action plan that will reduce air pollution in a time bound manner. The biggest problem for air pollution is burning fossil fuel (coal, diesel, petrol, gas etc.). The only way to solve the problem is to be more efficient and less dependent on fossil fuels.” Greenpeace is an NGO working on environmental issues like air pollution.


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