Environment Development and Sustainability,
Journal Year:
2021,
Volume and Issue:
23(8), P. 12044 - 12055
Published: Jan. 6, 2021
Coronavirus
disease
2019
(COVID-19)
is
an
infectious
caused
by
severe
acute
respiratory
syndrome
coronavirus.
It
was
first
identified
in
December
Wuhan,
Hubei,
China,
and
has
resulted
ongoing
pandemic.
As
of
5
July
2020,
more
than
11.1
million
cases
have
been
reported
across
188
countries
territories,
resulting
528,000
deaths.
More
6.03
people
recovered.
The
entire
world
population
currently
faces
enormous
challenges
(i.e.,
social,
environmental,
health,
economic)
due
to
the
impact
COVID-19.
In
this
regard,
affected
are
now
trying
slow
down
virus's
transmission
through
social-distancing,
lockdowns,
increasing
number
tests
treatment
facilities.
There
four
lockdowns
(25
March
2020-31
May
2020),
two
unlock
periods
(1
June-31
2020)
India.
Aerosol
Optical
Depth
(AOD)
analyzed
using
MODIS
satellite
data
during
various
phases
over
With
implementation
lockdown
steps,
AOD
values
dropped
significantly
regions.
A
significant
reduction
North-Central
regions
(up
-50%)
compared
South
or
Northeast
these
lock/unlock
phases.
also
observed
that
there
a
considerable
buildup
pre-lockdown
period
year
2020
as
past
years.
Sustainable Cities and Society,
Journal Year:
2020,
Volume and Issue:
62, P. 102382 - 102382
Published: July 13, 2020
The
COVID-19
pandemic
elicited
a
global
response
to
limit
associated
mortality,
with
social
distancing
and
lockdowns
being
imposed.
In
India,
human
activities
were
restricted
from
late
March
2020.
This
'anthropogenic
emissions
switch-off'
presented
an
opportunity
investigate
impacts
of
mitigation
measures
on
ambient
air
quality
in
five
Indian
cities
(Chennai,
Delhi,
Hyderabad,
Kolkata,
Mumbai),
using
in-situ
measurements
2015
For
each
year,
we
isolated,
analysed
compared
fine
particulate
matter
(PM2.5)
concentration
data
25
11
May,
elucidate
the
effects
lockdown.
Like
other
cities,
observed
substantial
reductions
PM2.5
concentrations,
19
43%
(Chennai),
41–53%
(Delhi),
26–54%
(Hyderabad),
24–36%
(Kolkata),
10–39%
(Mumbai).
Generally,
larger
traffic
volumes
showed
greater
reductions.
Aerosol
loading
decreased
by
29%
11%
4%
1%
(Mumbai)
against
2019
data.
Health
related
economic
impact
assessments
indicated
630
prevented
premature
deaths
during
lockdown
across
all
valued
at
0.69
billion
USD.
Improvements
may
be
considered
temporary
benefit
as
revitalising
economy
could
reverse
this
trend.
Regulatory
bodies
must
closely
monitor
levels,
which
currently
offer
baseline
for
future
plans.
Operations Management Research,
Journal Year:
2021,
Volume and Issue:
15(1-2), P. 233 - 248
Published: March 18, 2021
The
novel
COVID-19
has
emerged
as
a
severe
threat
to
global
health
globally,
affecting
over
210
countries
and
regions.
profound
dilemma
interrupted
trade
social
activities
enormously
influenced
daily
lives
through
distance
confinements.
outbreak
of
exacerbated
human
misery
due
the
crippling
economies
globally.
effects
are
substantial
on
health,
economy,
environment,
society.
Nearly
every
country
is
trying
prevent
transmission
this
communicable
disease.
Remedial
policies
include
testing
treating
patients,
isolating
suspects
contact
tracking,
banning
public
gatherings,
asserting
complete
or
partial
shutdown.
In
context,
present
paper's
core
objective
investigate
impact
pandemic
environment
energy
market,
society,
protective
measures
taken
reduce
transmission.
study's
main
contribution
revealed
lessons
provide
insights
for
business
efficacy
governments'
initiative
Finally,
paper
describes
future
actions
governments,
leaders,
providers,
all
stakeholders
in
response
crisis.
Elementa Science of the Anthropocene,
Journal Year:
2021,
Volume and Issue:
9(1)
Published: Jan. 1, 2021
The
coronavirus-19
(COVID-19)
pandemic
led
to
government
interventions
limit
the
spread
of
disease
which
are
unprecedented
in
recent
history;
for
example,
stay
at
home
orders
sudden
decreases
atmospheric
emissions
from
transportation
sector.
In
this
review
article,
current
understanding
influence
emission
reductions
on
pollutant
concentrations
and
air
quality
is
summarized
nitrogen
dioxide
(NO2),
particulate
matter
(PM2.5),
ozone
(O3),
ammonia,
sulfur
dioxide,
black
carbon,
volatile
organic
compounds,
carbon
monoxide
(CO).
first
7
months
following
onset
pandemic,
more
than
200
papers
were
accepted
by
peer-reviewed
journals
utilizing
observations
ground-based
satellite
instruments.
Only
about
one-third
literature
incorporates
a
specific
method
meteorological
correction
or
normalization
comparing
data
lockdown
period
with
prior
reference
despite
importance
doing
so
interpretation
results.
We
use
stringency
index
(SI)
as
an
indicator
severity
measures
show
how
key
pollutants
change
SI
increases.
observed
decrease
NO2
increasing
general
agreement
inventories
that
account
lockdown.
Other
compounds
such
O3,
PM2.5,
CO
also
broadly
covered.
Due
chemistry
O3
PM2.5
concentrations,
their
responses
may
not
be
linear
respect
primary
pollutants.
At
most
sites,
we
found
increased,
whereas
decreased
slightly,
SI.
Changes
other
understudied.
highlight
future
research
needs
emerging
sets
preview
state
atmosphere
world
targeted
permanent
emissions.
Finally,
emphasize
need
effects
meteorology,
trends,
when
determining
concentrations.
International Journal of Environmental Science and Technology,
Journal Year:
2020,
Volume and Issue:
17(11), P. 4655 - 4666
Published: Sept. 1, 2020
Coronavirus
Disease
2019
(COVID-19)
is
the
official
name
of
a
respiratory
infectious
disease
caused
by
new
coronavirus
that
started
first
in
Wuhan,
China,
and
outspread
worldwide
with
an
unexpectedly
fast
speed.
Flights
have
been
canceled
transportation
has
closed
nationwide
across
international
borders.
As
consequence,
economic
activity
stopped
stock
markets
dropped.
The
COVID-19
lockdown
several
social
effects.
Additionally,
impacts
on
global
migration.
On
other
hand,
such
lockdown,
along
minimal
human
mobility,
impacted
natural
environment
somewhat
positively.
Overall
carbon
emissions
dropped,
led
to
improvement
air
quality
reduction
water
pollution
many
cities
around
globe.
A
summary
existing
reports
environmental
pandemic
are
discussed
important
findings
presented
focusing
aspects:
pollution,
waste
management,
improvements,
fires,
wildlife,
migration,
sustainability.
