Page 24 - HUDCO-SHELTER-OCT21

THEME PAPER

OVERVIEW OF CARBON-FREE

TECHNOLOGIES FOR SMARTER CITIES

MS. ABHISIKHA DAS As the world population is in our ecosystem. The paper
growing at an exponential
concludes that there is urgent
MR. ABHISHEK rate and with changing energy need of supporting adequate
UPPERWAL consumption, the ecological carbon-free technologies and
dynamics are getting affected strategies required to meet
every day. This has contributed to energy demands and supplies as
climate change where greenhouse well as keep the greenhouse gas
gas emissions in the ecosystem are emissions in control.
huge. The polluting industries,
“Green buildings have the unplanned settlements and INTRODUCTION
features of efficient use of modern lifestyles, that are Cities around the world are
energy, water and other characteristics of cities use undergoing dynamic changes.
resources. It uses renewable large amounts of energy supply, Urban areas are also one of
energy sources like solar accounting for 70 per cent of the causes of climate change
and recycled materials in greenhouse gas emissions which as huge amounts of energy
trap heat and result in global
constructions. It is necessary warming. As the world is trying are consumed to sustain the
to decarbonize buildings and new technologies to achieve the lifestyles of communities
reduce the carbon footprint goal of the Paris Agreement on that have increased the
of buildings to meet global climate change, which is to keep greenhouse gas emissions
climate goals. And carbon-free the average global temperature in our environment. Over
technologies are the medium increase to well below 2°C and half the world’s population
to achieve these goals”. preferably below 1.5°C. Energy now live-in cities, account
consumption in India will for 78 per cent of energy
touch 4 trillion units by 2030. consumption and generate
Consequently, there comes over 70% of global CO
2
the necessity of innovations emissions (The World
and technologies by different Economic Forum (weforum.
stakeholders to find alternatives org)). Urbanization has played
Keywords: green buildings, transport, to control and monitor the a huge role in implications for
energy, waste management, green house emissions of these gases in our climate change contributing
gas emissions environment. The articleexplores to the depletion of air quality,
different technologies for green
Ms. Abhisikha Das (adas@niua.org) buildings, transport, energy availability of water, landfills
is Social Development Professional, and waste management as also with waste and health effects.
and Mr. Abhishek Upperwal is Data precedent impacts and changes The Lima Paris Action Agenda
Scientist, National Institute of Urban (LPAA) at COP21 in Paris and
Affairs, New Delhi for reducing carbon emissions

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HUDCO-HSMI Publication