Improving
urban
carbon
efficiency
(UCE)
through
efficient
land
use
is
a
crucial
way
to
achieve
the
synergy
of
neutrality
and
economic
development.
However,
only
limited
studies
have
assessed
UCE
corresponding
driving
factors
during
management
from
perspective
neutrality.
Based
on
super-efficiency
SBM
model,
we
assess
that
incorporates
sequestration
in
41
cities
within
agglomeration
China’s
Yangtze
River
Delta
(YRD)
2000
2019.
The
results
showed
average
with
fluctuated
downward
by
35.1%,
1.05
2001
0.68
without
rapidly
increased
26%,
rising
1.06
1.34
This
result
indicates
gradual
reduction
capacity
urbanization
YRD.
We
further
explore
heterogeneous
mechanisms
intensity
behind
declining
using
two-way
fixed-effect
regression
model.
Both
socioeconomic-related
natural-related
variables,
i.e.,
used
per
unit
GDP
forest
sequestration,
show
significant
negative
effect
UCE.
Moreover,
these
two
variables
exhibit
larger
impact
developing
than
developed
cities.
can
be
influenced
interaction
effects
other
socioeconomic
such
as
industrial
power
consumption,
structure
population.
findings
this
research
highlight
importance
considering
assessment
management.
They
also
suggest
policymakers
should
adopt
differentiated
plans
promote
coordination
between
development
Environmental Impact Assessment Review,
Год журнала:
2024,
Номер
106, С. 107534 - 107534
Опубликована: Май 1, 2024
Global
emissions
embodied
in
trade
(EET)
constitute
approximately
one-third
of
total
carbon
emissions.
Although
countries
combat
environmental
impacts
via
international
cooperation,
it
is
unclear
whether
these
social
efforts
fit
the
ecological
challenges.
It
imperative
to
assess
between
agreements
(IEAs)
and
EET.
The
article
constructed
global
social-ecological
networks
during
1995–2021
for
189
countries.
Based
on
assumption
a
Poisson-Binomial
distribution,
were
statistically
verified
by
bipartite
exponential
random
graph
modeling
(ERGM).
To
measure
degree
fit,
tested
quadratic
assignment
procedure
(QAP)
correlation
logistic
regression.
Results:
(1)
Social-ecological
IEAs
EET
decreased
last
27
years
from
0.313
0.138,
with
effect
network
weakened;
(2)
relative
importance
world
contribution
outlines
regional
blocks;
(3)
An
8.681-year
cycle
was
modeled
predicted
future
shared
socioeconomic
pathway
(SSP)
scenarios
until
2050;
(4)
proposed
ERGM-QAP
method
exhibits
computational
advantage,
applicable
other
large-scale
problems.
interpreted
as
efficiency
impact
internalization,
equity
cooperation
effectiveness
human-nature
interactions.
Policy
implications
include
accelerating
IEA
ratification,
establishing
unified
ETS
within
top-contributing
linking
cap-and-trade
systems
issuing
common
credits
internalize
externalities.
Atmosphere,
Год журнала:
2025,
Номер
16(2), С. 148 - 148
Опубликована: Янв. 29, 2025
Urbanization
has
greatly
altered
Earth’s
surface
form,
and
land
use
changes
can
lead
to
significant
in
carbon
emissions.
However,
how
these
affect
ecosystems
remains
unclear.
Therefore,
this
study
calculated
the
absorption
emissions
31
Chinese
provinces
using
high-resolution
(300
m)
data.
Subsequently,
a
flow
model
was
used
evaluate
transfer
that
occurred
from
every
province
between
2000
2020.
The
standard
deviation
ellipse
analytic
techniques
were
also
employed
research
spatiotemporal
evolution
features
of
various
economic
zones.
Furthermore,
flux
utility
analysis
approaches
ecological
network
quantitatively
examine
interaction
relationship
two
metabolism
uses.
results
revealed
continuous
expansion
China’s
construction
reduced
area
agricultural
land,
resulting
industrial
(53.14%)
urban
(39.38%)
being
main
contributors
total
Among
them,
five
eastern
Hebei,
Jiangsu,
Zhejiang,
Shandong,
Guangdong
had
more
than
100
million
tons.
From
2020,
center
gravity
shifted
significantly
Henan
Province
Gansu
Province.
exploitation
control
dominated
types.
It
is
mostly
found
Xinjiang,
Qinghai,
Gansu,
Inner
Mongolia,
Ningxia
provinces.
findings
could
provide
relevant
policy
implications
for
government
mitigate
on
land.
