Waste Management & Research The Journal for a Sustainable Circular Economy,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 22, 2024
The
aim
of
the
present
study
is
to
highlight
effect
two
commonly
used
plastics,
polyethylene
(PE)
and
terephthalate
(PET),
on
quality
health
indices
soil.
To
this
end,
a
pot
experiment
was
carried
out
using
soils,
one
acidic
alkaline.
soil
samples
were
collected
from
rural
areas
central
Northern
Greece
had
similar
particle
size
composition
almost
equal
copper
(Cu),
zinc
(Zn),
cadmium
(Cd)
lead
(Pb)
concentrations.
PE
PET
microplastics
(MPs)
added
into
in
ratios
(2%
4%
v/v)
remained
soils
for
20,
60
120
days.
Then,
changes
properties,
nutrients,
potentially
toxic
elements
indicators
measured.
addition
at
v/v
caused
maximum
increase
trace
element
availability
when
it
sample
In
contrast,
decrease
DTPA-extractable
concentration
(Cd
Pb),
after
days
incubation
acid
alkaline
work
provides
fresh
perspective
evaluating
MPs
unwanted
waste
materials
with
potential
positive
benefits,
enhancing
circular
economy
approach
systems.
Knowledge
along
physicochemical
including
their
nutrient
content,
are
critical
aspects
that
need
be
addressed
ensure
not
adversely
affected.
Waste Management & Research The Journal for a Sustainable Circular Economy,
Год журнала:
2024,
Номер
42(8), С. 651 - 669
Опубликована: Март 21, 2024
Food
waste
(FW)
has
become
a
global
concern,
with
an
estimated
1.3
billion
tonnes
lost
annually,
costing
about
$1
trillion.
Environmental
and
social
consequences
of
FW
are
significant,
contributing
to
6%
European
Unions'
greenhouse
gasemissions
affecting
food
security.
occurs
is
complex
issue
occurring
at
various
stages
the
supply
chain
(FSC)
influenced
by
multiple
factors
such
as
infrastructure,
available
knowledge
socio-economic
conditions.
Developed
countries
more
prevalent
consumption
stage,
whereas
in
developing
losses
occur
agricultural
production,
post-harvest
distribution
stage.
Accurate
quantification
across
crucial
monitoring
key
performance
indicators
helps
identify
areas
for
improvement.
The
Union
mandates
measurement,
aligning
sustainable
development
goals,
emphasizing
need
effective
prevention
measures.
Preferred
Reporting
Items
Systematic
Reviews
Meta-Analyses
approach
was
utilized
conduct
systematic
literature
review
on
(KPIs)
tools.
research
identified
22
KPIs,
categorized
into
three
levels
FSC:
primary,
secondary
tertiary.
most
common
KPIs
included
per
capita,
portion
percentage.
study
further
discusses
measures
essential
tools
addressing
throughout
chain.
Soil Systems,
Год журнала:
2024,
Номер
8(1), С. 23 - 23
Опубликована: Фев. 16, 2024
Over
the
last
few
decades,
different
types
of
plastics
have
been
found
in
soil
with
documented
or
potential
negative
effects
on
environment,
flora
and
fauna
inhabiting
soils,
subsequently
human
health.
This
article
is
a
global
review
consequences
interactions
soil,
plants,
microbes,
organic
inorganic
pollutants
depending
land
use.
It
focuses
various
polyethylene,
widely
used
material
strong
presence
both
agricultural
urban
soils.
Although
chemical
formula
(C2H4)n
remains
same
its
classifications,
behavior
polyethylene
varies
directly
depends
density,
branching,
crystallinity,
relative
molecular
mass,
resulting
many
differences
properties
but
also
two
main
forms
low
high
density.
However,
beyond
composition
plastics,
climatic
conditions
that
apply
rural
areas
determine
degree
corrosion
as
well
their
shape
size,
affecting
reactions
indirectly
affect
them.
In
plants
microbiome
present
mainly
rhizosphere
seem
to
dramatically
influence
where
interaction
all
these
parameters
leads
changes
availability
nutrients
(phosphorus
potassium),
percentage
matter
nitrogen
cycle.
increase
temperature
decrease
humidity
are
adsorption
heavy
metals
surface
plastics.
considered
inevitable,
perhaps
more
thorough
study
them
will
lead
reduction
risks
pollution
environments.
research
provides
promising
perspective
contribution
MP
PEs
sustainable
management
systems.
Environmental Science & Technology,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 24, 2025
Nano/microplastics
(N/MPs)
induce
phytotoxicity
and
represent
a
significant
global
threat
to
terrestrial
agricultural
ecosystems.
However,
the
defense
mechanisms
of
plants
against
different-sized
N/MPs
remain
largely
unknown.
To
address
this
knowledge
gap,
we
investigated
interactions
between
polystyrene
(PS)
NPs
(50
100
nm)
PS-MPs
(200
500
with
taro
(Colocasia
esculenta).
We
found
that
PS
particles
varying
sizes
exhibited
differential
root
adsorption
penetration,
PS-NPs
capable
penetrating
epidermis,
whereas
were
totally
excluded.
Notably,
demonstrated
capacity
recognize
different
responded
degrees
resistance.
In
reaction
more
toxic
50
nm
PS-NPs,
roots
mobilized
robust
mechanism
three
levels:
molecular,
compositional,
ultrastructural.
This
was
achieved
by
activating
lignin
synthesis,
carbohydrate
metabolism,
lipid
transport,
resulting
in
doubling
lignified
region
increases
cell
wall
thickness
116%,
56.3%,
22.5%
exodermis,
cortex,
respectively.
Consequently,
excluded
all
four
outside
vascular
tissue
prevented
contamination
corms.
Our
study
provides
new
insights
into
interaction
demonstrates
crucial
role
barriers
sustaining
food
safety.
