This
study
conducts
a
comprehensive
analysis
of
environmental
efficiency
in
the
aviation
industry,
focusing
on
19
global
airline
companies
employing
diverse
business
models.
Utilizing
Data
Envelopment
Analysis
(DEA)
for
years
2017
to
2022,
research
quantifies
levels
based
input
and
output
variables,
including
Fuel
Consumption
(FC),
Revenue
Passenger
Kilometers
(RPK),
Greenhouse
Gas
Emissions
(GHG),
Total
Income
(TI).
Noteworthy
findings
reveal
that
Alaska
Airlines,
Lufthansa,
Spirit
Delta
Air
Lines
consistently
operated
at
frontier,
showcasing
proportional
relationship
between
values.
These
airlines,
particularly
three
American
origin
Lufthansa
as
sole
European
company,
emerge
pioneers
performance,
enjoying
competitive
advantage.
However,
identifies
variations
among
with
JetBlue
Airways,
others
demonstrating
fluctuating
scores
across
examined
period.
The
dynamic
nature
coupled
economic
implications
initiatives,
necessitates
nuanced
understanding
airlines'
sustainability
efforts.
Policymakers
are
urged
consider
measures
such
effective
introduction
Sustainable
Aviation
Fuels
(SAF)
large-scale
strategies
reduce
aviation-related
greenhouse
gas
emissions.
Verimlilik dergisi,
Год журнала:
2025,
Номер
59(2), С. 369 - 382
Опубликована: Апрель 16, 2025
Purpose:
This
study
conducts
a
comprehensive
analysis
of
environmental
efficiency
in
the
aviation
industry,
focusing
on
19
global
airline
companies
employing
diverse
business
models.
Methodology:
Utilizing
Data
Envelopment
Analysis
for
2017
to
2022,
research
quantifies
levels
based
input
and
output
variables,
including
Fuel
Consumption,
Revenue
Passenger
Kilometers,
Greenhouse
Gas
Emissions,
Total
Income.
Findings:
Noteworthy
findings
reveal
that
Alaska
Airlines
(VRS=1),
Lufthansa
Spirit
Delta
Air
Lines
(VRS=1)
consistently
operated
at
frontier,
showcasing
proportional
relationship
between
values.
Originality:
The
dynamic
nature
coupled
with
economic
implications
initiatives,
necessitates
nuanced
understanding
airlines'
sustainability
efforts.
Policymakers
are
urged
consider
measures
such
as
effective
introduction
Sustainable
Aviation
Fuels
large-scale
strategies
reduce
aviation-related
greenhouse
gas
emissions.
Global Transitions,
Год журнала:
2024,
Номер
6, С. 152 - 163
Опубликована: Янв. 1, 2024
Sulphur
dioxide
(SO2)
is
a
hazardous
air
pollutant,
which
mostly
emitted
from
burning
of
fossil
fuels,
and
has
an
adverse
impact
on
the
human
health
ecosystem
functioning.
The
COVID-19
natural
anthropause
(lockdown)
provides
great
opportunity
to
understand
changes
in
SO2
pollution
across
globe,
as
there
was
temporary
standstill
for
most
activities.
Therefore,
we
analyse
global
SO₂
during
lockdown
compared
pre-lockdown
identify
its
hotspots
driven
by
activities
using
satellite
measurements,
reanalysis
data
emission
inventory.
We
observe
decline
about
2.21
%
average,
−21.05
Indo-Gangatic
Plain,
−16
East
China,
−7.67
United
States
America,
−3.99
Western
Europe
−3.85
Middle
owing
halt
such
industrial
transport
operations,
found
emissions
There
are
point
aerial
globe
(e.g.
cities
or
units),
also
show
decrease
(20–30
%)
anthropause.
Fossil
fuel
thermal
power
plants
major
source
pollution,
it
declined
notably
(1–12
coal
consuming
countries
States,
Japan,
Canada,
Brazil,
Australia,
France,
Germany,
Spain,
Italy
Kingdom.
clear
understanding
human-driven
their
changes,
would
help
us
make
better
effective
mitigation
strategies.
Nature Communications,
Год журнала:
2024,
Номер
15(1)
Опубликована: Ноя. 23, 2024
Coronavirus
Disease
2019
(COVID-19)
emerged
in
December
2019,
prompting
the
implementation
of
a
"zero-COVID"
policy
Mainland
China.
The
easing
this
2022
led
to
surge
COVID
cases,
which
was
believed
significantly
increase
antibiotic
usage,
potentially
due
misuse
or
increased
coinfections.
Our
study
aimed
compare
consumption
and
patterns
before
after
adjustment.
We
utilised
wastewater-based
epidemiology
(WBE)
analyse
levels
samples
collected
from
five
wastewater
treatment
plants
Eastern
China
during
January
February
2021
2023.
27
antibiotics
were
quantified
using
ultra-high
performance
liquid
chromatography
coupled
with
triple
quadrupole
tandem
mass
spectrometry
(UPLC-MS/MS)
analysed
via
WBE,
resulting
estimates
compared
catchment-specific
prescription
data.
23
detected
samples,
substantial
usage
2023
(ranging
531%
3734%),
consistent
Here,
we
show
significant
rise
COVID-19
underscores
need
for
further
investigation
into
impacts
inappropriate
use
China's
zero-COVID
discontinued
followed
by
wave
infections.
authors
demonstrate
that
end
also
coincided
use,
indicating
possible
prescribing.
Indian Journal of Physiotherapy and Occupational Therapy - An International Journal,
Год журнала:
2024,
Номер
18, С. 120 - 125
Опубликована: Янв. 21, 2024
Background:
COVID-19
has
impacted
everyday
life
and
many
people
are
affected
by
it.
Regular
Hand
washing,maintaining
hygiene,
avoiding
handshaking
&
face-to-face
interaction,
social
distancing,
quarantine
areprecautionary
measures
which
result
in
rapidly
increasing
depression
anxiety
among
common
populationand
it
results
OCD.Purpose:
This
study
aims
to
investigate
the
effectiveness
of
vagal
nerve
stimulation
on
obsessive
compulsivedisorder
post-covid
19
infected
individuals.Methodology:
A
total
20
participants
was
selected
using
Purposive
sampling
technique
based
theinclusion
exclusion
criteria.
Then,
were
allocated
into
2
groups
closed
envelope
methodand
control
group
receive
cognitive
behavioural
therapy
for
30
minutes,
4
sessions/weekfor
weeks.
The
experimental
Transcutaneous
auricular
stimulation.
stimulationwas
given
minutes,4sessions/week
along
with
CBT.Result:
With
a
p
value
0.001,
transcutaneous
activation
significantly
reduced
obsessivecompulsive
disorder
symptoms
after
4weeks
group.Conclusion:
Study
showed
that
effective
reducingsymptoms
OCD
post
covid-19
individuals.
Research Square (Research Square),
Год журнала:
2024,
Номер
unknown
Опубликована: Фев. 15, 2024
Abstract
In
Buesaco
(BUE)
and
The
Tablón
of
Gómez
(TTG),
farms
in
the
Nariño
Department
fauna
likely
benefited
from
reduced
human
activities
by
COVID-19.
However,
this
phenomenon
has
not
been
documented,
perhaps
article
is
first
on
topic.
A
survey
was
conducted
431
farmers
to
identify
sightings
plant
species.
non-parametric
Kruskal
Wallis
test
multiple
regression
explored
variables
influencing
species
composition.
Additionally,
BUE
TTG’s
composition
reports
were
utilized
a
multi-temporal
analysis
before
after
COVID-19
lockdown.
Analyzing
data
resulted
compilation
lists
containing
names
existing
Sixty-four
mentioned
TTG;
birds
accounted
for
50%,
mammals
25%.
Sciurus
pucheranii
had
highest
mention
frequency
(MF),
with
165
times
producers
188
TTG.
This
record
Department.
According
dominance
index,
four
shade
within
coffee
plantations
are
considered
most
dominant.
Besides,
five
forest
around
dominants.
(p
=
0,013)
analyses
(R
2
0,14)
indicate
that
null
hypothesis
should
be
rejected
>
0.05).
Species
interaction
between
probably
did
influence
increased
biodiversity.
lockdown
impacted
how
other
appeared
Moreover,
2021
2023,
it
can
determined
more
than
those
recorded
years
AQUA - Water Infrastructure Ecosystems and Society,
Год журнала:
2024,
Номер
unknown
Опубликована: Март 29, 2024
ABSTRACT
AQUA
—
Water
Infrastructure,
Ecosystems
and
Society
issues
a
formal
withdrawal
in
relation
to
the
above
article
by
Yuhang
Li,
Zhifa
Zeng
Lisai
Yu.
This
decision
has
been
taken
due
concerns
related
misconduct
of
specific
editor
their
handling
submissions.
The
dismissed
from
Editorial
Board
Society.
