Environmental Science & Technology,
Год журнала:
2024,
Номер
58(21), С. 9071 - 9081
Опубликована: Май 15, 2024
Little
research
exists
on
the
magnitude,
variability,
and
uncertainty
of
human
exposure
to
airborne
micro-
nanoplastics
(AMNPs),
despite
their
critical
role
in
MNPs.
We
probabilistically
estimate
global
intake
AMNPs
through
three
main
pathways:
indoor
inhalation,
outdoor
ingestion
during
meals,
for
both
children
adults.
The
median
inhalation
AMPs
is
1,207.7
(90%
CI,
42.5–8.48
×
104)
1,354.7
47.4–9.55
N/capita/day
adults,
respectively.
annual
13.18
mg/capita/a
19.10
which
approximately
one-fifth
one-third
mass
a
standard
stamp,
assuming
consistent
daily
medians.
majority
AMP
number
occurs
while
deposited
meals
contributes
most
terms
mass.
Furthermore,
ANP
9,638.1
N/day
(8.23
10–6
μg/d)
5,410.6
(4.62
respectively,
compared
5.30
105
(5.79
10–4
6.00
(6.55
via
inhalation.
Considering
increased
toxicity
smaller
MNPs,
significant
ANPs
inhaled
warrants
great
attention.
Collaborative
efforts
are
imperative
further
elucidate
combat
current
MPN
risks.
Environment International,
Год журнала:
2024,
Номер
187, С. 108707 - 108707
Опубликована: Апрель 26, 2024
Currently,
natural
and
urban
ecosystems
are
affected
by
different
types
of
atmospheric
deposition,
which
can
compromise
the
balance
environment.
Plastic
pollution
represents
one
major
threats
for
biota,
including
lichens.
Epiphytic
lichens
have
value
as
bioindicators
environmental
pollution,
climate
change,
anthropic
impacts.
In
this
study,
we
aim
to
investigate
lichen
bioaccumulation
airborne
microplastics
along
an
anthropogenic
gradient.
We
sampled
from
Genera
Cladonia
Xanthoria
highlight
effectiveness
tools
passive
biomonitoring
microplastics.
chose
three
sites,
a
"natural
site"
in
Altipiani
di
Arcinazzo,
"protected
Castelporziano
Presidential
estate
"urban
centre
Rome.
Overall,
90
lichens,
observed
external
plastic
entrapment,
melt
oxygen
peroxide
analysed
entrapment.
To
validate
method,
calculated
recovery
rates
lichen.
Particularly,
253
MPs
particles
were
detected
across
samples:
97
%
fibers,
3
fragments.
A
gradient
number
microplastic
fibers
sites
emerged,
with
increasing
accumulation
site
(n
=
58)
116),
direct
relationship
between
length
abundance
fibers.
Moreover,
first
evidences
mesoplastics
entrapped
On
average,
experienced
shortest
fibre
Rome
longest.
No
differences
emerged
two
genera.
Our
results
indicated
that
effectively
be
used
deposition.
scenario,
role
entrapping
protecting
pristine
areas
must
investigated.
Furthermore,
considering
impact
on
human
health
bioindicators,
their
use
is
encouraged.
Water Air & Soil Pollution,
Год журнала:
2024,
Номер
235(3)
Опубликована: Март 1, 2024
Abstract
Microplastics
(MPs)
have
become
an
important
concern
among
scientists
and
policymakers
all
around
the
globe.
Despite
this,
contribution
of
MPs
to
global
warming
climate
change,
a
significant
aspect
issue,
has
been
overlooked.
Continuous
greenhouse
gas
(GHG)
emissions
resulting
in
change
long
major
issue
with
apparent
consequences.
Climate
plastic
crises
are
threatening
our
planet,
co-occurrence
both
would
be
catastrophic.
This
article
addressed
links
between
microplastic
pollution
change;
how
contribute
by
interacting
water,
air,
soil;
recommendations
address
issues
together.
Throughout
their
lives,
plastics
emit
GHG.
water
impede
mitigation
potential
ocean
different
ways;
they
hamper
photosynthesis
carbon
sequestration
phytoplankton
Blue
Carbon
Ecosystem.
induce
GHG
from
soil.
Airborne
aid
cloud
formation
interfere
atmospheric
cooling.
change–induced
extreme
events
redistribute
environment,
causing
increase
vertically
horizontally,
which
then
aggravates
situation
feedback
loop.
The
evidence
acquired
study
implies
that
inextricably
linked
play
vital
role
fueling
change.
bridges
gap
were
previously
regarded
separately.
Due
linkages
these
intertwined
challenges,
integrated
holistic
research
policy
measures
required
concurrently.
Earth-Science Reviews,
Год журнала:
2024,
Номер
255, С. 104864 - 104864
Опубликована: Июль 10, 2024
Microplastics
(MPs),
particles
with
a
size
<5
mm,
are
ubiquitous
in
water,
soil,
and
atmosphere,
have
become
highly
discussed
environmental
issue.
Although
atmospheric
MPs
received
less
attention
than
soil
their
possible
consequences
being
examined
more
depth.
This
study
systematically
reviews
the
sources,
transport,
distribution,
variations
of
MPs,
interactions
other
pollutants
environment
impact
on
human
health
based
literature.
The
results
show
that
been
identified
diverse
settings
such
as
urban,
sub-urban,
remote
areas
well
indoor
air.
These
airborne
can
originate
from
terrestrial
sources
like
landfills,
synthetic
clothing,
plastic
manufacturing,
use
recycling
activities,
aquatic
resulting
bubble
bursting.
outdoor
MP
abundance
was
detected
range
2
to
1159
MP/m2/day
depositions
0
224
MP/m3
suspended
samples,
while
significantly
higher
observed
indoors
ranging
22
760,000
0.4
1583
MP/m3.
distribution
characteristics
affected
by
several
factors
urbanization,
anthropogenic
environments
seasons.
Atmospheric
transport
occurs
through
suspension,
horizontal
deposition
processes
greatly
influenced
morphology
MP,
wind
speed
direction,
precipitation
factors.
path
atmosphere
is
studied
Lagrangian
models
conducting
backward
trajectory
simulations
estimate
linear
trajectories
at
sampling
locations
discern
potential
origin
travel
distance.
also
interact
variety
chemical
microorganisms
thus
act
vector
for
pollutant
transport.
toxicity
may
be
increased
release
pathogens
contaminants
into
environment,
thereby
increasing
risk
humans.
Based
study,
it
suggested
further
scientific
research
should
focus
standardization
methods,
mechanisms,
ecological
impacts.
As
could
enter
body
various
urgent
physiological
effects
when
exposed
pollution.
Environmental Science & Technology,
Год журнала:
2024,
Номер
unknown
Опубликована: Июль 16, 2024
Atmospheric
transport
drives
the
widespread
distribution
of
microplastic
(MP)
in
various
ecosystems,
posing
a
growing
potential
threat
to
environmental
safety
and
human
health.
Understanding
source
fate
atmospheric
MPs
is
thus
crucial
constrain
MP's
exposure.
However,
source–sink
dynamics
MPs,
especially
remote
areas,
are
uncertain,
their
routes
have
yet
be
identified.
Here,
we
conducted
13-month
monitoring
uninhabited
area
Mount
Taibai,
estimated
risk
MP
exposure
environment,
modeled
trajectory
analyze
transportation.
We
first
found
that
as
many
15
polymer
types
whose
shapes
mainly
include
fiber,
fragments,
films,
granules,
maintained
abundance
(0.7
0.3
particle/m3
for
PM10
PM2.5,
respectively)
mountain
atmosphere
at
respirable
sizes.
It
worth
noting
assessment
results
comprehensively
consider
influences
morphological
characteristics
suggest
level
exhibits
even
this
mountainous
not
disturbed
by
frequent
activities.
Backward
trajectories
revealed
likely
sparsely
populated
Liupan
Mountains
Qinling
short-range
transport.
Further,
airflow-based
analysis
indicated
emission
southern
Xianyang
longer-range
were
directionally
transported
Taibai
through
under
premise
stable
climate
geographical
conditions.
These
inevitably
occur
areas
driven
transport,
persistently
bearing
impact
This
study
reveals
impacts
ecosystem.
Microplastics,
Год журнала:
2024,
Номер
3(1), С. 82 - 97
Опубликована: Фев. 8, 2024
Micro-
and
nanoplastics
(MNPs)
are
an
important
atmospheric
aerosol
constituent.
However,
there
still
needs
to
be
a
standard
procedure
for
their
sampling
size
fractionation,
which
is
obstacle
the
aggregation
critical
analysis
of
results
obtained
by
different
research
groups.
This
review
focuses
on
fractionation
methodologies
used
MNPs.
Moreover,
streamlined,
simplified
methodology
proposed.
