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CASE STUDIES
2.2 Greenhouse emissions 3. Sources of Greenhouse Gas Emissions in Cities [7].
in urban areas [6]:
Pollutant: Nitrogen oxides (NO 2 ), carbon
i. Population Density: Transpor- monoxide (CO), and volatile organic compounds
tation (VOCs)
• More people per unit
area means more energy Sources: Cars, trucks, mostly older models and
consumption, which in those powered by fossil fuels.
turn means more pollution Pollutant: Carbon dioxide (CO 2 ), NO 2 , SO 2
from power plants and Energy (sulfur oxides)
less sustainable consumer consump- Sources: 1. Creating power, especially from
habits in already tion coal-fired power stations, is a major source of
overcrowded urban areas. greenhouse gas emissions.
2. The use of heating, cooling, and electricity in
• The need for structures, both business and residential buildings results in
transportation systems, the release of pollutants.
and garbage collection
systems all increase in Pollutant: Methane (CH 4 ), CO 2 , VOCs
tandem with population Environ- Sources: 1.Organic waste decomposes on land,
growth. Dust, vehicle use mental releasing the powerful greenhouse gas methane.
and resource exploitation cleanup 2. Vehicles that gather and carry garbage also
are adding to emissions. add to air pollution.
ii. Business Operations: 3. Despite its occasional application for energy
production, burning garbage generates
• Industrial processes: damaging chemicals and particles.
In order to generate
energy, power generating iii. Transportation: energy, energy-efficient
agencies need fossil fuels, Commuters in urban construction methods and
which release harmful regions often use big enhanced public transport,
gases and particles into personal automobiles, all of which contributed to a
the air and harm the which result in a decrease in greenhouse gas
ecosystem. In addition to substantial amount of emissions in Pune. Electric car
adding to global warming, exhaust emissions. This usage and the introduction of
these emissions may have is particularly the case programmes like the Rainbow
an immediate effect on air in places where public BRT (Bus Rapid Transit)
quality. transport options are system helped Pune reduce
few or when the city emissions from transportation
• Manufacturing and layout priorities the use [9].
processing waste results of private automobiles.
in a great deal of garbage, There is an urgent need Ahmedabad: In light of
some of which, when to transition from gas- the fact that heat waves
dumped in landfills, may powered to electric cars. are becoming more often
produce toxic gases like and intense due to climate
methane. Emissions from 4. Real-Life Examples change, Ahmedabad has
vehicles and machines are Pune: The “Pune Climate instituted the “Ahmedabad
also a major contribution Change Action Plan” had a Heat Action Plan” to
to GHG emissions. confront this problem. Early
greater focus on renewable
April, 2024, Volume 25. No.1 - SHELTER 73
