Sustainability,
Journal Year:
2024,
Volume and Issue:
16(15), P. 6433 - 6433
Published: July 27, 2024
Anaerobic
digestion
(AD)
is
a
promising
biowaste
valorization
technology
for
sustainable
energy,
circular
economy,
local
energy
community
growth,
and
supporting
authorities’
environmental
goals.
This
paper
presents
systematic
review
meta-analysis
methodology
biomethane
estimation,
using
over
600
values
of
volatile
solids
(VS)
content
biochemical
methane
potential
(BMP)
six
different
waste
streams,
collected
from
240
scientific
studies.
The
streams
include
cow
manure
(CM),
sheep/goat
(SGM),
wheat
straw
(WS),
household
(HW),
organic
fraction
municipal
solid
(OFMSW),
sewage
sludge
(SS).
statistical
analysis
showed
mean
VS
11.9%
37.3%
83.1%
20.8%
19.4%
10.6%
(SS),
with
BMP
204.6,
184.1,
305.1,
361.7,
308.3,
273.1
L
CH4/kg
VS,
respectively.
case
study
Kozani,
Greece,
demonstrated
the
methodology’s
applicability,
revealing
annual
CH4
production
15,429,102
m3
(corresponding
to
551
TJ
energy),
SGM,
WS,
CM
as
key
substrates.
aiming
climate
neutrality
by
2030,
currently
employs
conventional
management,
like
composting,
while
many
business
residual
remain
unused.
proposed
model
facilitates
design
implementation
AD
units
sustainable,
climate-neutral
future.
Advances in environmental engineering and green technologies book series,
Journal Year:
2025,
Volume and Issue:
unknown, P. 35 - 64
Published: Jan. 16, 2025
This
article
explores
the
most
recent
developments
and
uses
of
waste
management
technologies.
It
examines
biological
treatment,
thermal
chemical
recycling,
mechanical
highlights
their
latest
useful
applications.
The
study
also
looks
at
new
technologies
that
have
potential
to
improve
techniques,
like
nanotechnology,
waste-to-energy
(WtE)
systems,
plasma
gasification.
significance
these
for
sustainability
is
highlighted,
highlighting
positive
effects
on
environment,
economy,
society,
including
reducing
greenhouse
gas
emissions,
using
landfills,
cost
savings,
job
creation,
public
health
improvements.
notes
despite
benefits,
there
are
still
obstacles
general
use
technologies,
social
acceptance,
economic
barriers,
legal
constraints,
technical
restrictions.
Frontiers in Environmental Science,
Journal Year:
2025,
Volume and Issue:
13
Published: March 4, 2025
Introduction
The
transition
to
a
circular
economy
is
key
pillar
of
European
sustainable
development.
However,
in
the
current
context,
shaped
by
multiple
crises
and
geopolitical
conflicts,
efficiency
resilience
this
are
particular
concern.
policymakers
national
authorities
must
adapt
their
approaches
mitigate
risks
posed
external
factors
while
ensuring
progress
towards
sustainability
goals.
This
study
analyzes
from
2010
2022,
assessing
economic
environmental
variables.
Methods
employs
an
econometric
approach
using
panel
data
27
EU
Member
States.
A
linear
regression
model
with
fixed
effects
applied
alongside
spectral
analysis
descriptive
statistics
examine
relationships
between
private
investment,
gross
value
added,
municipal
waste
recycling
rates,
recyclable
material
flows,
greenhouse
gas
emissions.
These
methods
allow
for
in-depth
evaluation
influencing
transition.
Results
Findings
indicate
that
investment
integration
materials
significantly
enhance
economy.
varies
across
States
due
regional
disparities,
inadequate
infrastructure,
inefficient
management.
High-emission
countries
face
greater
challenges
achieving
targets,
demonstrating
need
tailored
resilient
policy
measures.
Discussion
results
highlight
necessity
public
policies
promote
attractiveness
sectors,
reduce
improve
management
infrastructure.
Additionally,
emphasizes
importance
coordinated
region-specific
accelerate
By
integrating
seasonal
analyses,
research
contributes
literature
offering
nuanced
understanding
affecting
progress.
insights
valuable
supranational
developing
effective
strategies
at
level.
Sustainable Development,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 26, 2025
ABSTRACT
Urban
environments
are
at
the
forefront
of
European
Union
(EU)
climate
ambitions
as
envisaged
by
Green
Deal
(EGD).
Cities
also
central
to
delivering
most
2030
Agenda
Sustainable
Development
Goals
(SDGs).
However,
EU
cities
face
severe
implementation
challenges
in
operationalising
EGD
and
SDGs.
This
research
aims
support
implementing
providing
a
coherent
framework,
aligning
green
transition
policies
with
SDG
targets
indicators.
The
framework
may
policy
coherence
ambition
alignment
among
governance
levels.
Specifically,
identified
22
matched
76
requiring
urban
level,
SDGs
7,
13
15
being
addressed.
Furthermore,
application
allows
for
informing
interlinkage
assessment
acknowledging
potential
caution
areas,
especially
when
directly
linked
13,
6
9.
Major
implications
include
(i)
opportunity
align
local
development
programmes
overarching
priorities,
unlocking
Agenda's
inform
policy‐making
(ii)
need
properly
address
trade‐offs
exploit
cities'
towards
transition.
