Page 24 - HUDCO-SHELTER-OCT21
P. 24

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


              22     HUDCO-HSMI      Publication
              22
                     HUDCO-HSMI Publication
   19   20   21   22   23   24   25   26   27   28   29