Research Square (Research Square),
Journal Year:
2023,
Volume and Issue:
unknown
Published: Aug. 11, 2023
Abstract
ABASTRACT
With
the
development
of
China’s
economy,
level
Urban
Environmental
Sanitation
management
has
far-reaching
impact
on
ecological
environment.
The
well
comprehensive
operation
efficiency
urban
environmental
sanitation
in
China
can
help
achieve
goal
carbon
peak
and
neutralization.
study
applied
data
envelopment
analysis
(DEA)
Malmquist
productivity
index
(MPI)
to
explore
China.
statistical
31
provinces
over
period
2017
2021
are
gathered
as
inputs
outputs
DEA
model
MPI
model.
It
finds
out
that
mean
each
year
during
research
was
no
general.
change
trend
from
negative
growth.
According
its
decomposition
by
nation,
Technology
Change
(Techch)
main
driving
factor
Comprehensive
should
be
expanded
technology
innovation
facilities
needs
promoted
vigorously.
Frontiers in Environmental Science,
Journal Year:
2025,
Volume and Issue:
13
Published: March 25, 2025
Industrial
carbon
emission
reduction
is
not
only
the
need
to
cope
with
climate
change
and
environmental
pollution,
but
also
an
important
way
achieve
sustainable
economic
development.
This
paper
first
constructs
evaluation
system
of
urban
green
development
index
from
four
dimensions:
economy,
society,
resources
environment.
Then,
undesirable
super-efficiency
SBM
model
used
measure
static
industrial
efficiency,
spatiotemporal
characteristics
dynamic
efficiency
are
analyzed
by
combining
Malmquist
index.
Finally,
was
incorporated
into
Tobit
regression
model,
impact
energy
intensity,
structure
other
factors
on
considered.
cited
18
cities
in
Sichuan
Province
2015
2022
as
example
for
analysis.
The
results
show
that
overall
level
shows
a
downward
trend,
there
great
room
improvement
average
0.740,
difference
mainly
due
pure
technical
efficiency.
From
2022,
Sichuan’s
showed
trend
stable
then
decreasing.
There
significant
positive
correlation
between
emissions.
Altogether,
established
this
vital
magnitude
low-carbon
regional
industry.
