Research on Building’s Carbon Emission Calculation and Reduction Strategy Based on Life Cycle Assessment (LCA) and Building in Formation Modeling (BIM): A Case Study in Beijing, China
Buildings,
Год журнала:
2025,
Номер
15(9), С. 1403 - 1403
Опубликована: Апрель 22, 2025
This
study
focuses
on
a
residential
project
in
the
Haidian
District
of
Beijing,
China,
employing
life
cycle
assessment
(LCA)
integrated
with
building
information
modeling
(BIM)
to
quantitatively
analyze
carbon
emissions
throughout
life-cycle,
including
material
production,
transportation,
construction,
operation,
demolition,
and
recycling.
The
results
show
that
operation
production
stages
are
primary
sources
emissions,
accounting
for
72.51%
47.17%,
respectively.
In
contrast,
demolition
contribute
relatively
minor
at
3.94%,
2.08%,
0.69%,
Furthermore,
renewable
energy
systems,
recycling,
urban
green
spaces
as
sinks
negative
−10.96%,
−10.48%,
−4.95%,
It
should
be
noted
these
percentages
reflect
net
contributions
total
building’s
taking
into
account
both
emission
sinks.
As
such,
inclusion
from
leads
some
having
cumulative
percentage
exceeding
100%.
Based
findings,
this
paper
recommends
adopting
low-carbon
materials
over
traditional
ones
widely
promoting
photovoltaic
(PV)
systems
storage
technologies
effectively
reduce
emissions.
serves
valuable
reference
Beijing
other
regions
similar
climatic
conditions,
highlighting
importance
reduction
strategies
promote
transition
construction
sector.
Язык: Английский
Spatiotemporal Dynamics and Spatial Spillover Effects of Carbon Emissions in China’s Livestock Economic System
Sustainability,
Год журнала:
2025,
Номер
17(10), С. 4611 - 4611
Опубликована: Май 18, 2025
This
study
investigated
the
spatiotemporal
dynamics,
regional
disparities,
and
spatial
spillover
effects
of
carbon
emissions
in
China’s
livestock
sector
from
2003
to
2022.
By
integrating
accounting,
decoupling
elasticity
analysis,
kernel
density
estimation,
Theil
index
decomposition,
Spatial
Durbin
Model,
research
revealed
a
6.5%
reduction
national
alongside
intensified
polarization.
The
relationship
evolved
dynamically,
with
strong
dominating
but
fluctuations
persisting,
particularly
resource-dependent
areas.
distribution
emission
intensity
shifted
unimodal
right-skewness
bimodal
concentration,
indicating
technological
diffusion
barriers
structural
divergence
across
regions.
econometric
analysis
confirmed
significant
interdependence
(ρ
=
0.214,
p
<
0.01),
where
neighboring
economic
growth
increased
local
intensity.
These
findings
highlighted
limitations
uniform
policy
approaches
emphasized
need
for
region-specific
governance,
market-based
incentives,
localized
innovation.
provided
empirical
evidence
framework
address
cross-regional
coordination
sustainable
low-carbon
transitions
agriculture.
Язык: Английский