National Science Review,
Год журнала:
2025,
Номер
12(3)
Опубликована: Янв. 16, 2025
ABSTRACT
The
health
impacts
of
particulate
matter
(PM)
depend
on
its
concentration,
size
and
composition.
Herein,
we
quantified
the
changes
in
emissions
primary
PM2.5,
PM2.5–10
PM>10
with
aerodynamic
diameters
<2.5
μm,
2.5–10
μm
>10
respectively,
black
carbon
(BC),
organic
(OC)
to
address
driving
factors.
temporal
trends
PM
follow
Kuznets
curves,
1995
as
peak
year
when
gross
domestic
product
per
capita
was
only
US$1023,
showing
a
late-mover
advantage.
fractions
PM2.5
:
BC
OC
non-carbonaceous-PM2.5
from
various
sectors
varied
following
different
trajectories.
mass
iron–steel
production
industries
changed
21%
12%
67%
1960
50%
13%
37%
2019,
decrease
size.
were
linearly
correlated
whereas
dependence
differed
before
after
1995,
owing
residential
emissions.
Various
factors
influencing
carbonaceous
fraction
explored.
major
promotion
dust-removal
capacity
transition
energy
solid
fuels
emission-free
fuels,
which
increased
fine
fraction.
Atmosphere,
Год журнала:
2024,
Номер
15(6), С. 630 - 630
Опубликована: Май 24, 2024
With
the
continuous
acceleration
of
urbanization,
air
pollution
has
become
an
increasingly
serious
threat
to
public
health.
Strengthening
detection
and
control
pollutants
a
focal
point
in
current
society.
In
light
increasing
amount
literature
field
with
every
passing
year,
numerous
reviews
have
been
compiled;
however,
only
limited
number
employ
bibliometric
methods
comprehensively
review
summarize
research
trends
this
field.
Herein,
study
utilizes
two
analysis
tools,
namely,
CiteSpace
(6.1.R6)
VOSviewer
(1.6.20),
conduct
visual
comprehensive
spanning
2000
2023.
By
doing
so,
it
establishes
knowledge
framework
for
on
control.
Simultaneously,
collaborative
network
analysis,
reference
co-citation
keyword
co-occurrence
prominence
are
employed
undertake
exhaustive
profound
examination
within
domain.
Results
indicate
that,
over
time,
relevant
papers
exponentially
increased,
while
interdisciplinary
cooperation
gradually
formed.
Additionally,
describes
key
areas
research,
including
residue
treatment,
regional
joint
control,
mechanism
analysis.
Finally,
challenges
faced
by
researchers
their
different
perspectives
discussed.
To
better
integrate
findings
we
explore
correlations
among
data
systematically
present
developmental
trends.
This
confirms
nature
hope
its
guiding
future.
Scientific Reports,
Год журнала:
2025,
Номер
15(1)
Опубликована: Янв. 10, 2025
Understanding
the
evolution
of
low-carbon
efficiency
in
urban
built-up
areas
is
essential
for
developing
countries
striving
to
meet
sustainable
development
goals.
However,
mechanisms
driving
and
associated
pathways
remain
underexplored.
This
study
applies
Global
Data
Envelopment
Analysis
(DEA)
model,
Malmquist-Luenberger
Index,
econometric
models
evaluate
its
determinants
across
China's
from
2010
2022.
The
findings
reveal
a
significant
increase
efficiency,
0.555
0.785
2022,
reflecting
an
overall
improvement
41.4%
(P
<
0.05).
Spatially,
demonstrates
pronounced
"east-high
west-low"
distribution,
highlighting
regional
disparities
spatial
correlations.
Temporal
changes
are
primarily
driven
by
technological
advancements
shifts
frontier.
disproportionate
gains
during
periods
high
resource
input
suggest
inefficiencies
production
factor
allocation,
particularly
densely
populated
centers.
Unlike
natural
endowments,
concentrated
inputs
such
cities
often
impede
improvements.
underscore
need
context-sensitive
strategies,
as
one-size-fits-all
model
may
not
address
diverse
challenges
posed
disparities.
By
leveraging
market
optimize
allocation
strengthen
interregional
connectivity,
this
provides
actionable
insights
promoting
land
economies.
