Global Warming and Its Effects in Mumbai, India


A Paper on Global Warming and Its Effectss in Mumbai, India


Present Scenario At A Glance:

Global heating implies enhanced green house consequence, which entraps solar radiations, accordingly increasing the overall temperature of the Earth. The GHG creates a cover in the lower strata of the earth’s atmosphere and this phenomenon consequences chiefly from human activities. The mean planetary temperatures and CO2 degree in the ambiance are higher than they have of all time been in the yesteryear. Records show that the last 25 old ages have been the warmest in the past 5 centuries. Current state of affairs is traveling towards 4 – 5° C by 2100, which seems ruinous to scientists for biodiversity, utmost conditions or low-lying rise. An addition of 2-4° C may take to 10-20 % addition in cyclonal strength. This heating can travel up to an addition of average surface temperature by 3.5-5° C by the terminal of the century.


Fig 1:Current Green House Gas Emissions all over the universe( 1000000s of dozenss )

The recent ruinous climatic events in India are the effects of planetary heating. Mumbai, the concern capital of India, is highly vulnerable to lifting sea degrees. Harmonizing to the Intergovernmental Panel on Climate Change ( IPCC ) , the Arabian Sea degree around Mumbai is steadily lifting at the rate of 2.4 millimeters per twelvemonth and expected to lift up to 15-38 centimeter by 2050. The metropolis is in a seismal zone and prone to see monolithic temblor or a elephantine tsunami doing impossible loss of human lives and assets. This needfully means that this would impact the economic system of the full state. Harmonizing to a 2012 study, about 2.7 million people live in countries at hazard of deluging. Until 1990, the average annually rainfall in Mumbai was 2129 millimeter, which rose by 50 % in 2005-06 ( 3214 millimeter ) . In 2005, a ruinous inundation occurred in Mumbai, doing decease of more than 5000 people and 26 July 2005 was known as the BLACK DAY in the history of Mumbai since so. Recently, winters in Mumbai have been the coldest with temperature every bit low as 8° C, when an mean temperature is about 18-25° C in the past 50 old ages.

Issues like the monolithic environmental debasement due to population growing and ever-increasing built-up countries worsened the hazard in Mumbai. Indian urban wetlands have reduced by 30 % in the last 50 old ages due to the rapid urban development and dumping of waste in H2O organic structures. The state of affairs is even more important because of its clime alterations due to population denseness, and its major industrial and fiscal developments many of which are developed merely above sea degree and below the high-tide degree. This inhibits natural overflow of surface H2O through the complicated web of drains, rivers, brooks and pools that drain straight in the sea and during high tides sea H2O can come in the system and lead to salt H2O flood. As a consequence, foundations of many edifices along the seashore have already started gnawing taking to a great danger. Approximately 101155 dozenss of municipal solid waste is generated in the metropolitan part, which includes biodegradable waste, reclaimable waste and dust. Bettering the drainage system in Mumbai could cut down the losingss associated with a inundation event by 70 % .

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Fig 2: Monthly Total Rainfall over Santacruz in July ( 1959-2005 )

Economic Impacts due to Climatic Catastrophes:

Though Indian economic system happens to be as one of the fastest turning major economic systems, the climatic catastrophes are impacting it greatly. Harmonizing to The Indira Gandhi Institute of Development Research, if the planetary heating continues to lift, climatic catastrophes would do a lessening in India’s GDP by approximately 9 % . An estimated 11.4 million people and assets worth of $ 1.3 trillion would be in danger in Mumbai due to climatic catastrophes by 2070. Surveies were besides carried out by National Climatic Data Center to analyse the economic impacts from clime alteration. Bombay is likely to endure infrastructural losingss including airdromes, roads, ports, tracks, bridges up to INR 4,000 crores due to climate alteration. Surveies suggest that losingss could lift by 35 % for utmost rainfall event In Mumbai. In 2005 calamity 14,000 places were destroyed, and more than 350,000 places were affected. That twelvemonth the metropolis was impacted straight with economic amendss of about two billion USD and 500 human deaths. Due to climate alteration, the entire losingss for a 1-in-100 twelvemonth event could manifold by three times of the current state of affairs ( to $ 690 – $ 1890 million USD ) .

Actions Taken So Far:

National Disaster Management Authority, The Ministry of Environment and Forests, the Ministry of External Affairs, the Ministry of Science and Technology, and the Prime Minister’s Office set guidelines for the catastrophe related issues. Some of the major policies that have been issued since 1953 1s:

  • Ministerial commission on inundation control -1964
  • Minister ‘s commission on inundation and inundation alleviation – 1972
  • Working group on inundation control for five twelvemonth programs
  • National committee for incorporate H2O resource development program -1996
  • National H2O policy – 1987
  • National Flood Commission -1980
  • Five regional undertaking forces – 1996

Advisers were appointed to analyze the storm H2O drainage system and to fix programs for faster disposal of overflow, cut downing inundation continuance and came up with a Maestro Plan for augmentation of SWD System and submitted concluding study, known as BRIMSTOWAD Report, in 1993.

Measures taken by Central and State Governments: Structures built to forestall inundations:

  • Embankments
  • Dams
  • Natural detainment basins
  • Channel betterments
  • Drain constructions
  • Flood zoning
  • Flood proofing
  • Water shed development

Below Government organic structures were formed for Flood Management:

  • State Flood Control Department
  • Central Water Commission

The Ministry of Home Affairs has taken the Community Based Disaster Preparedness enterprise which works with the aid of the local people and the NGOs to assist people fix themselves for different climatic catastrophes by mobilising them easy, and supplying alleviation to the affected part. It besides helps to fix the seasonal calendars to foretell the climatic catastrophes, step the hazards for the community and take actions to cover with them. In December 2005, after Mumbai calamity, Government of India enacted the Disaster Management Act, under which the National Disaster Management Authority and State Disaster Management Authorities were created. The Act besides constituted Disaster Response Fund and Disaster Mitigation Fund at national, province and territory degrees. In Maharashtra, the province authorities consequently has prepared the Greater Mumbai Disaster Management Action Plan ( DMAP ) in 2007. Under this, the hazards and exposures have been identified associated with inundations, temblors, landslides and cyclones. The program includes specific alleviation and extenuation steps, Land usage planning and policies, substructure betterments and eventuality programs for Mumbai. In DMAP, measures for substructure betterments might necessitate a longer clip in footings of the socio-economic and political context of the metropolis. Besides, the policies and planning will non be utile and effectual unless they are implemented with schemes to cover with slums and migrators into the metropolis.

A investigative commission ( CHITALE commission ) was established by Government of Maharashtra station 2005 inundations to look into the causes of the catastrophe and do recommendations to cut down hereafter hazards which greatly emphasized on steps to better the city’s drainage systems. The execution of recommendations included broadening of the river channel, cross-drainage work in the catchment country, remotion of invasions along the river Bankss, solid waste disposal systems, cancellation of licence of the polluting industries, controling outflowing discharge in the river and building of public lavatories, intensifying of the river for making green buffer zones, extra broadening and deepening of the river, prolongation of 18 Bridgess and river crossings.

Enterprises taken by cardinal authorities, province authorities and local organic structures are as below:

Enterprises at the Government Level:

  • Integrated Energy Policy, 2006
  • Reforming Energy Markers ( Electricity Act 2005, Duty Policy 2003, Petroleum & A ; Natural Gas Regulatory Board Act, 2006 )
  • Energy Conservation Act, 2001
  • New and Renewable Energy Policy, 2005
  • Energy Conservation Building Code, 2006
  • 50,000 MW Hydroelectric Initiative, 2003
  • The National Action Plan on Climate Change: Prime Minister Climate Change Action Plan and the Jawaharlal Nehru National Solar Mission are major enterprises of the Central and State Governments to advance ecologically sustainable growing and reference country’s energy security challenge. The Mission marks to make a policy model to deploy 20,000 MW of solar power by 2022
  • Natural Resources & A ; Environment Capability Plan Implementation 2008 -11.

Enterprises at Local Body Level:

  • Compulsory rain H2O reaping for all edifices
  • Promoting energy efficient edifices
  • Improved waste direction
  • Precedence to public conveyance substructure
  • Promoting recycle and reuse of waste H2O
  • Ban on Plastic
  • Use of energy salvaging led lamps
  • Air pollution monitoring
  • Schools Campaigns for consciousness
  • Use of Mass Transit, Car pools
  • Use of CNG alternatively of gasoline
  • Use of bike

Specific Undertakings in Mumbai Metropolitan Region:

  • Mithi River Development Mumbai Metro
  • Design and building of skywalks in MMR at 67 topographic points
  • BRIMSTOWAD and Mumbai Sewage Disposal Project Priority Works
  • Mumbai Trans Harbour Sea Link Project with dispersion system
  • Mumbai Urban Transport Project
  • Mumbai Metro Line
  • Bandra Worli Sea Link
  • Dharavi Redevelopment Project
  • Mumbai Urban Infrastructure Project
  • Rehabilitation of Pavement Dwellers
  • Monorail Undertaking
  • Mumbai City Development Plan 2005-2025

The province signed a Memorandum of Understanding of biennial survey across the province with The Energy & A ; Resources Institute for aRs.97.99-lakh. It will analyse jutting clime alteration impact on services like H2O resources, agribusiness, migration, marine ecosystems and support. TERI will analyse a exposure index for all the sectors, impacted from variables like temperature alteration, sea degree rise and the frequence of happening of utmost events and suggest version programs for Mumbai to cover with catastrophes originating from clime alteration. The survey will measure clime alteration impacts on wellness, ecosystems, markets and urge policies to get by up with these with alterations in land usage, lodging and urban development. It estimates that the cost of clime change-related amendss to the metropolis would beabout INR2.28 hundred thousand crore if there is no version program for these catastrophes. Cardinal Government besides plans to pass INR 300,000 crores to bring forth 60,000 MW power.

International Enterprises:

The Natural Resources Defense Council is a New York City-based, non-profit international environmental protagonism group. NRDC ‘s India Initiative on Climate Change and Clean Energy, which was launched in 2009, works with spouses in India to assist the state construct a low-carbon, sustainable economic system. Their work in India involves four interrelated following undertakings:

i‚· Enhancing U.S.-India Cooperation on Climate Change

i‚· Fixing for Public Health Impacts of Climate Change

i‚· Increasing Building Efficiency

i‚· Strengthening Environmental Governance

Ideas to Implement: From Best Practices across the World:

Despite the enterprises and actions taken by the Indian authorities, planetary warming supports on increasing taking the state towards a greater danger. To endeavor with it, the state should hold a richer proficient attack, networking and expansive audience procedures at every occasion. Few attacks that might turn out highly helpful are as below:

Land usage planning:Measuring matching resiliency of the metropolis to heavy precipitations and clime alteration and districting take the right adaptative steps. Zoning can assist accomplish big hazard decrease and its methodological analysis might include inside informations in hydrological modeling and analyses on clime alteration scenarios.

Consistent hazard direction policies:An appropriate hazard direction policy would include all steps such as reduced edifice exposure, land-use programs, information and communicating to the community, improved drainage, insurance strategies, and support to Reconstruction. Frequent low-impact events like the inundations happening frequently in Mumbai could be avoided by improved drainage. For more terrible events ; population information, zoning and land-use programs and forestalling dweller to settle in flood-prone zones could cut down the badness. For exceeding inundations ; early warning and emptying are necessity, along with support for Reconstruction and insurance to extenuate economic losingss. Hazard designation, exposure appraisal and hazard analysis find where people, belongings, and critical installations are exposed to different natural jeopardies.

Micro-level planning:For developingeffective drainage systems

Anti-erosion stepsat beaches and seafronts

Execution of theprotection program:For Rhizophora mangles and other wetland countries

Introduction ofadvanced edifice building patterns: Reducing the salt content of new edifice stuffs ; upgrading of older edifices ; and scrutiny of stableness of seaside edifices at hazard of land eroding

Greaterinvesting:Investings in heath sector, wellness attention installations and wellness infrastructurefor supplying medical attention to people affected by clime alteration.

Introduction ofEnergy Conservation Measuresat all degrees

Enhancement of the urban ecosystem: Creation of more unfastened infinites, verdure, Parkss and tree-lined roads.

Comprehensive Emergency Management Plans and Post-Disaster Redevelopment Plans:This includes emptying and sheltering, pull offing the development and renovation of land exposed to natural jeopardies. The authorities must construct butchs to make a barrier against the billowing sea and salvage the bing Rhizophora mangles environing the metropolis from being destroyed further.

Community battle:The communities should understand the hazard they might see, and besides the demand to take immediate and long term actions. They should be consulted on a regular footing during the decision-making procedure to by the contrivers, applied scientists and designers to do this enterprise a success.

Adaptive Architectures for Resilience:Adaptable houses could be built that respond to inundations, and every bit useable the remainder of the twelvemonth. For most of the twelvemonth, these houses function as an ordinary resort whereas during inundations it transforms to supply an option ‘turned around’ life agreement to be adopted. Some international illustrations besides show that the houses could be built on concrete drifting organic structures. These houses can cover with an addition in H2O degree of up to 5.5 meters.

The population addition and planetary heating effects in Mumbai will jeopardize the metropolis much more in approaching yearss. It is high clip that Central, State Governments and Local organic structures become cognizant of the gravitation of the state of affairs and do necessary policies in urban and environmental planning, where the dwellers besides take active engagement to salvage the metropolis

Citations / Mentions:

  • Intergovernmental Panel on Climate Change
  • Global Warming and Its Impacts on Climate of India (hypertext transfer protocol: //
  • Best Practices: Land Use Planning Strategies and Best Development Practices for Minimizing Vulnerability to Flooding and Coastal Storms by Florida Department of Community Affair, Division of Community Planning and Emergency Management (hypertext transfer protocol: //
  • Best Practices: Confronting up to lifting sea-levels ; a programme of research on deluging in UK carried out by the RIBA and the Institution of Civil Engineers (hypertext transfer protocol: //
  • Best Practices:Pull offing Flood Risks in Parishes ; A Best Practice Guide Produced by The Hampshire Flood Steering Group 2nd Edition (hypertext transfer protocol: //
  • Mumbai City Development Plan 2005-2025 (hypertext transfer protocol: //
  • Concluding Report for Enhancing Adaptation to Climate Change by Integrating Climate Risk into Long-Term Development Plan and Disaster Management Project by Asia Pacific Network for Global Change Research
  • Benchmarking Urban Sustainability – A Composite Index for Mumbai and Bangalore by B.Sudhakara Reddy and P. Balachandra (hypertext transfer protocol: //
  • Natural Resources Defense Council (hypertext transfer protocol: //
  • Current Enterprises of Local Governments in India by Dr. Jatin V. Modi (hypertext transfer protocol: //
  • Economic impact of clime alteration on Mumbai, India by Rakesh Kumar, Parag Jawale and Shalini Tandon (hypertext transfer protocol: //
  • Mumbai City Report by Archana Patankar, Anand Patwardhan, Janki Andharia, Vikas Lakhani (hypertext transfer protocol: //
  • hypertext transfer protocol: //
  • Sai Solar System (hypertext transfer protocol: //
  • The Times of India, Environment (hypertext transfer protocol: //
  • Hindustan Times (hypertext transfer protocol: //
  • Google images