The
use
of
low
carbon
footprint
cements
as
an
alternative
to
traditional
Pórtland
cement
is
a
viable
solution
for
the
effective
reduction
greenhouse
gas
emissions.These
cements,
in
turn,
allow
waste
raw
material,
which
implies
better
environmental
performance,
enabling
circular
economy
construction.On
other
hand,
technologies
such
additive
manufacturing
enables
significant
improvement
construction
processes,
allowing
consumption
and
thus,
industry.This
why
this
work
addresses,
on
one
development
mechanisms
cementitious
materials
that
involve
study
their
production
from
waste,
with
special
focus
those
suitable
implementation
market.On
given
role
can
play
future
construction,
rheological
viability
developed
adaptation
3D
printing
are
studied.This
Doctoral
Thesis
consists
three
main
experimental
campaigns.On
four
has
been
carried
out,
discriminating
formulations
did
not
meet
requirements
immediate
large-scale
application
selecting
presented
best
characteristics
each
mechanisms.Next,
emissions
formulation
have
evaluated,
quantifying
equivalent
dioxide
emissions,
finally,
material
adapted
construction.The
was
aimed
at
reducing
clínker
content
whose
compatibility
current
regulations
allowed
application.The
are:
alkaline
activated
supersulphated
Discover Sustainability,
Journal Year:
2024,
Volume and Issue:
5(1)
Published: Feb. 8, 2024
Abstract
Urban
systems
play
a
central
role
in
the
transition
to
circular
economy,
and
cities'
consumption
makes
them
essential
for
sustainable
development.
The
city
can
help
urban
centers
become
consumers
of
waste
generators
resources
necessary
their
maintenance
through
optimized
prolonged
life
cycles.
In
this
sense,
article
aims
identify
characteristics
compare
other
typologies:
city,
green
smart
resilient
eco-city,
low-carbon
with
nature-based
solutions.
It
follows
qualitative
approach
narrative
review
literature
articles
from
Scopus
database
reports
international
organizations.
This
demonstrates
that
adopts
10R
framework
principles
economy
by
implementing
strategies
regenerate,
share,
optimize,
cycle,
replace
resources.
also
highlights
study
methodologies
interconnect
all
typologies.
Thus,
contributes
sustainability
dimensions.
Sustainability,
Journal Year:
2024,
Volume and Issue:
16(2), P. 929 - 929
Published: Jan. 22, 2024
As
the
digital
economy
becomes
new
engine
of
economic
growth,
China
has
introduced
a
series
smart
city
policies
aimed
at
promoting
high-quality
and
sustainable
urban
development.
This
paper
aims
to
evaluate
green
development
effects
China’s
“Smart
City
Pilot”
policy
explore
heterogeneity
across
different
types
cities.
Using
panel
data
from
283
prefecture-level
cities
in
2006
2020,
this
study
examines
relationship
between
construction
efficiency
using
total
factor
productivity
(GTFP).
We
employ
Causal
Forest
mediation
effect
models
estimate
impact
pilot
on
GTFP
underlying
mechanisms.
The
main
results
are:
(1)
significantly
enhances
GTFP,
finding
consistent
diverse
evaluation
approaches.
(2)
influence
varies
among
cities,
such
is
effectively
captured
by
Forest.
(3)
varied
primarily
stems
location
factors
inherent
characteristics.
Notably,
Eastern
outpaces
that
other
regions.
yields
greater
benefits
with
financial
medical
capital
rises,
but
excessive
government
public
expenditure
curtails
its
positive
influence.
(4)
mechanisms
through
which
promotes
exhibit
certain
differences
“high-effect
group”
“low-effect
group”.
former
predominantly
leverages
innovation-driven
agglomeration
effects,
while
latter
chiefly
relies
industrial
structural
advancement
rationalization.
Deleted Journal,
Journal Year:
2024,
Volume and Issue:
unknown
Published: July 31, 2024
Abstract
Given
the
accelerating
pace
of
urbanization
and
worsening
environmental
constraints,
it
has
become
imperative
to
explore
innovative
integrated
solutions
shape
a
sustainable
urban
future.
In
this
context,
emergence
“Green
City”
stands
out
as
an
approach
addressing
challenges
while
promoting
development.
This
study
aims
deepen
our
understanding
crucial
role
played
by
Green
City
driver
overcome
obstacles
related
sustainability.
To
achieve
objective,
methodology
is
based
on
several
essential
steps.
Firstly,
we
establish
solid
conceptual
framework
comparing
cities.
initial
step
allows
us
precisely
define
contours
specific
objectives
each
concept,
laying
groundwork
for
comparative
analysis.
Next,
conduct
comprehensive
analysis
how
can
contribute
in
targeted
manner
achieving
development
goals.
By
integrating
these
different
approaches,
goal
substantially
advance
knowledge
practices
planning,
well
creation
more
resilient
environmentally
friendly
Economics & Sociology,
Journal Year:
2025,
Volume and Issue:
18(1), P. 217 - 235
Published: March 1, 2025
The
transition
to
green
energy
and
sustainable
urban
planning,
guided
by
EU
policies
local
community
perceptions,
has
positioned
the
concept
of
“green
city”
as
a
key
topic
in
both
academic
practical
discourse.
This
study
provides
an
in-depth
analysis
current
understanding
cities,
while
also
identifying
cities
structurally
prepared
for
this
transition.
literature
review
highlights
significance
city
concept,
strategic
directions
EU,
perspectives
residents
regarding
what
constitutes
city.
research
outlines
two
primary
objectives:
(1)
development
models
within
selected
sample
(2)
determining
or
groups
with
potential
implement
concept.
Using
data
from
Organisation
Economic
Co-operation
Development
(OECD)
Open
Street
Map,
we
employed
spatial
indicators
calculated
average
distances
points
interest,
using
R
software
analysis.
Principal
Component
Analysis
Random
Forest
predictive
algorithm
were
applied
classify
models,
facilitating
identification
best
equipped
implementation.
findings
offer
valuable
insights
into
transitions,
providing
data-driven
approach
guide
policymakers
planners
fostering
resilient
environments.
emphasizes
importance
integrating
technological
tools
human-centered
planning
future.
