Environmental Research Letters,
Journal Year:
2025,
Volume and Issue:
20(2), P. 024010 - 024010
Published: Jan. 16, 2025
Abstract
Color
of
the
sky
serves
as
a
direct
indicator
haze,
while
also
exerting
substantial
influence
on
human
physiological
and
psychological
well-being,
well
overall
environmental
scenery.
However,
quantifying
color
changes
is
quite
challenging.
This
research
develops
quantitative
approach
for
evaluating
atmospheric
aerosol
pollution
appearance
sky.
We
first
calculated
aerosols
sky’s
diffuse
radiation,
which
source
color.
Then,
we
mapped
radiation
onto
perceptually
uniform
space
to
quantify
alterations
in
The
results
reveal
that
relationship
between
concentration
change
follows
logarithmic-like
distribution:
higher
concentration,
weaker
per
unit
increase
concentration.
Consequently,
during
early
phases
air
control
implementation,
there
may
be
minimal
observable
these
measures
are
further
enforced,
discernible
bluing
effect
will
become
evident.
Based
quantification
color,
blue-sky
index
(BSI)
was
established.
find
concurrent
with
improvements
quality
resulting
from
emission
reduction
measures,
BSI
has
significantly
decreased
recent
years
China.
trend
indicates
an
frequency
occurrences.
Smart Cities,
Journal Year:
2024,
Volume and Issue:
7(1), P. 414 - 444
Published: Jan. 31, 2024
This
review
explores
the
relationship
between
urban
energy
planning
and
smart
city
evolution,
addressing
three
primary
questions:
How
has
research
on
cities
evolved
in
past
thirty
years?
What
promises
hurdles
do
initiatives
introduce
to
planning?
And
why
some
projects
surpass
efficiency
emission
reduction
targets
while
others
fall
short?
Based
a
bibliometric
analysis
of
9320
papers
published
January
1992
May
2023,
five
dimensions
were
identified
by
researchers
trying
address
these
(1)
use
at
building
scale,
(2)
design
integration,
(3)
transportation
mobility,
(4)
grid
modernization
grids,
(5)
policy
regulatory
frameworks.
A
comprehensive
193
discovered
that
previous
prioritized
technological
advancements
first
four
dimensions.
However,
there
was
notable
gap
adequately
inherent
challenges.
often
led
endeavors
underperforming
relative
their
intended
objectives.
Overcoming
requires
better
understanding
broader
issues
such
as
environmental
impacts,
social
justice,
resilience,
safety
security,
affordability
initiatives.
Systems,
Journal Year:
2024,
Volume and Issue:
12(2), P. 55 - 55
Published: Feb. 5, 2024
Air
pollution
severely
threatens
people’s
health
and
sustainable
economic
development.
In
the
era
of
digital
economy,
modern
information
technology
is
profoundly
changing
way
governments
govern,
production
mode
enterprises,
living
behavior
residents.
Whether
can
bring
ecological
welfare
needs
to
be
further
studied.
Based
on
panel
data
from
269
Chinese
cities
2006
2021,
this
study
empirically
examines
impact
air
by
using
two-way
fixed
effect
model.
The
results
show
that
will
significantly
reduce
concentration
fine
particles
in
help
protect
atmospheric
environment.
are
still
valid
after
interactive
model
two-stage
least
square
method
robustness
test
causality
identification.
Digital
also
promoting
green
innovation,
improving
energy
efficiency,
easing
market
segmentation.
reducing
heterogeneous.
plays
a
more
substantial
role
resource-based
areas
with
high
degree
modernization
commodity
supply
chain.
positive
affected
amount
pollutants
emitted.
When
PM2.5
high,
protecting
atmosphere
strongly
highlighted.
This
research
beneficial
exploration
environment
while
building
an
civilization
society.
conclusion
urban
managers,
public,
business
operators
entirely
use
equipment
such
as
5G,
remote
sensing,
Internet
Things
their
respective
fields
