E3S Web of Conferences,
Journal Year:
2023,
Volume and Issue:
371, P. 03053 - 03053
Published: Jan. 1, 2023
The
Erdenet
mining
and
processing
facility
(Mongolia)
develops
a
large
copper-molybdenum
deposit.
volume
of
waste
in
the
tailings
dump
enterprise
reaches
600
m.
m
3
its
area
is
more
than
1300
hectares.
Quarries
pits
release
significant
amounts
persistent
pollutants
into
environment.
They
penetrate
groundwater
surface
water
also
spread
as
dust.
results
comprehensive
geochemical
geoecological
studies
indicate
irreversible
anthropogenic
transformation
area.
In
25
years,
operation
deposit
will
be
terminated.
Mongolian
government
decided
to
develop
“Concept
program
for
closure
enterprise,
further
development
area”.
Based
on
this
research,
it
proposed
identify
several
areas
special
renovation
projects
each
them.
An
production
construction
materials
can
created
tailing’s
dumpsite.
Companies
extracting
residual
valuable
elements
from
profitable.
network
transport
communications
ensure
facilities
landscapes
technogenic
anomalies.
After
planning
terrain
covering
with
insulating
these
sites,
technology
park
organized.
Implementing
part
single
provide
jobs
residents,
budget
revenues
generated
by
their
allow
urban
Journal of applied science and environmental management,
Journal Year:
2024,
Volume and Issue:
28(4), P. 1007 - 1051
Published: April 29, 2024
Heavy
metal
pollution
is
a
significant
environmental
concern
in
Nigeria,
posing
risks
to
ecological
integrity
and
public
health.
This
study
aims
evaluate
the
existing
policies
regulations
addressing
heavy
pollution,
assess
their
effectiveness,
propose
recommendations
for
improvement.
The
analysis
reveals
that
while
Nigeria
has
established
robust
legislative
framework,
challenges
implementation,
enforcement,
funding
persist.
impact
of
reducing
influenced
by
resource
constraints,
limited
capacity,
need
stronger
collaboration
between
regulatory
bodies
industries.
Community
involvement
education
play
crucial
role
managing
emphasizing
importance
awareness,
sustainable
practices,
local
engagement.
Remediation
strategies,
such
as
bioremediation
phytoremediation,
offer
potential
solutions.
However,
gaps
knowledge
research
exist,
calling
long-term
monitoring,
assessments,
comprehensive
health
risk
assessments.
To
enhance
effectiveness
current
policies,
periodic
reviews,
increased
funding,
community-based
monitoring
programs
are
recommended.
By
these
implementing
proposed
recommendations,
can
make
strides
towards
mitigating
achieving
sustainability.
Engineering Science & Technology Journal,
Journal Year:
2024,
Volume and Issue:
5(6), P. 2065 - 2081
Published: June 25, 2024
The
integration
of
renewable
energy
sources
with
fuel
synthesis
represents
a
transformative
approach
to
addressing
the
twin
challenges
sustainability
and
climate
change.
This
review
presents
conceptual
framework
for
coupling
technologies,
such
as
solar,
wind,
biomass,
processes
produce
sustainable,
zero-carbon
fuels.
emphasizes
use
electricity
water
splitting
carbon
dioxide
reduction,
key
steps
in
synthesizing
hydrogen
other
synthetic
highlights
importance
advanced
catalysts
enhancing
efficiency
selectivity
these
chemical
reactions.
Innovations
nanostructured
catalysts,
hybrid
materials,
biomimetic
approaches
are
discussed
their
potential
significantly
improve
performance
durability
catalytic
processes.
Additionally,
underscores
role
characterization
techniques
computational
modeling
understanding
optimizing
catalyst
behavior.
necessitates
technical
associated
scaling
up
production
from
laboratory
industrial
levels.
These
include
ensuring
stability
longevity
under
operational
conditions,
managing
intermittency
sources,
developing
robust
systems
capturing
utilizing
dioxide.
Furthermore,
economic
viability
integrated
is
critical,
requiring
cost-effective
solutions
that
leverage
earth-abundant
materials
optimize
overall
efficiency.
environmental
benefits
integrating
substantial,
offering
pathway
reduce
emissions
reliance
on
fossil
fuels
using
can
lead
closed
cycle,
thereby
mitigating
impact
change
contributing
sustainable
future.
Future
directions
this
field
involve
interdisciplinary
research
further
enhance
performance,
develop
new
refine
process
strategies.
A
roadmap
future
development
includes
prioritizing
areas
improved
design,
efficient
CO2
capture
electrochemical
photochemical
systems.
abstract
concludes
by
underscoring
energy-fuel
integration,
envisioning
where
practices
become
cornerstone
global
Keywords:
Integrating,
Renewable
Energy,
Fuel
Synthesis,
Directions,
Framework.
Sustainability,
Journal Year:
2023,
Volume and Issue:
15(5), P. 4323 - 4323
Published: Feb. 28, 2023
Marine
heavy
metal
pollution
has
been
an
important
global
environmental
issue
in
recent
years.
Concentrations
of
nine
metals
(Pb,
Cr,
Ni,
Cu,
Zn,
Co,
Cd,
As,
and
Hg)
from
marine
sediments
(2015,
n
=
38)
the
Changjiang
River
Estuary
contiguous
East
China
Sea
were
determined.
The
total
contents
ranged
134.0
μg/g
to
357.8
μg/g,
with
Cr
as
most
abundant
component.
Pearson
correlation
coefficient
matrix
metals,
granularity,
organic
carbon
(TOC)
samples
determined,
a
preliminary
ecological
risk
assessment
was
conducted
three
aspects.
According
investigation,
commonly
found
affected
by
terrestrial
inputs
large
extent.
Their
concentration
distributions
significantly
granularity
well
TOC.
Preliminary
showed
that
Cd
Hg
identified
dominant
sediment
study
areas
strong
risk.
Overall,
situation
not
optimistic
2015,
it
is
worthy
further
investigation
into
whether
condition
improved
strengthening
governmental
protection.
Human and Ecological Risk Assessment An International Journal,
Journal Year:
2025,
Volume and Issue:
unknown, P. 1 - 30
Published: Jan. 10, 2025
The
Yangtze
River
Midstream
Urban
Agglomeration
is
a
pivotal
economic
zone
in
China.
Over
the
past
35
years,
climate
change
has
increased
ecosystem
vulnerability
and
instability
this
area.
Therefore,
assessing
landscape
ecological
risk
(LER)
vital
for
region.
This
study
analyzed
LER
variations
from
1985
to
2020
using
statistical
methods
indices,
forecasted
changes
2025
2050
with
multi-model
meteorological
data.
Results
show
following:
(1)
indices
have
decreased
over
last
notable
shift
high-risk
medium-risk
areas.
High
areas
remained
concentrated
low-elevation,
densely
urbanized
central
regions,
indicating
severe
damage
compared
high-elevation
(2)
Climate
significantly
impacts
index,
temperature
exerting
stronger
influence
than
precipitation.
Overall,
decreases
rising
temperatures
precipitation,
though
some
cities
exhibit
opposite
trends.
(3)
Future
multi-Shared
Socioeconomic
Pathway
scenarios
suggest
general
decrease
predominantly
resulting
low-
zones.
will
persist
low-elevation
zones,
particularly
southern
plains.
Given
high
plains,
timely
governmental
regulation
control
measures
are
essential
ensuring
ecologically
sustainable
development.
