Nature Sustainability,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 4, 2024
Abstract
Cities
and
companies
have
great
potential
to
reduce
pressures
on
Earth
system
boundaries.
Science-based
target
setting
has
emerged
as
a
powerful
tool
help
achieve
the
potential,
but
its
uptake
been
limited.
Moreover,
cities
usually
develop
their
targets
separately,
even
though
many
are
co-located.
Focusing
top
200
500
by
greenhouse
gas
emissions,
we
analyse
current
state
of
adopting
science-based
for
climate.
Of
these
key
actors,
110
with
existing
net-zero
22
could
together
eliminate
up
3.41
GtCO
2
e
annual
emissions.
We
argue
that
this
reduction
increase
much
67%
(to
5.70
e)
if
already
bring
co-located
counterparts
board
keep
abreast
ambitions.
Using
freshwater
another
example,
discuss
entry
points
addressing
interrelated
boundaries
through
city–company
collaborations.
Our
findings
elucidate
previously
untapped
potentials
accelerate
transformations
operating
within
Sustainable Energy Technologies and Assessments,
Год журнала:
2024,
Номер
69, С. 103923 - 103923
Опубликована: Июль 31, 2024
This
study
reviews
the
electrolysis
techniques
for
green-hydrogen
(GH2)
production,
with
primary
focus
on
their
environmental
sustainability
implications.
Different
stages
of
GH2
value
chain
are
characterized
regarding
life
cycle
analysis
(LCA),
presenting
methods,
materials,
energy
sources,
and
efficiency.
Qualified
LCA
results
would
lead
to
proper
decision-making,
which
depends
input
choices
data
quality
used.
Therefore,
inventory
useful
technical
production
in
studies
reviewed.
Also,
recent
developments
toward
potentially
enhancing
discussed.
The
showed
that
solar
wind
energies
as
most
promising
sources
lower
Global
Warming
Potential
(GWP)
turbine
cases.
reported
impacts
(EIs)
proton-exchange
membrane
(PEM)
technology.
There
is
still
limited
comparing
various
EIs
(e.g.
freshwater
eutrophication)
accompanying
costs.
However,
it
recommended
consider
H2
mainly
efficiency,
consumption
lifetime
along
miniaturization.
future
may
final
use
produced
fuel
cells),
heat
recovery
materials
recycling
complete
visibility
towards
optimizing
efficiency
EIs.
One Earth,
Год журнала:
2024,
Номер
7(5), С. 848 - 866
Опубликована: Май 1, 2024
Mitigating
urban
overheating
is
vital
to
create
livable
futures.
Research
on
heat
mitigation
plentiful,
while
knowledge
about
the
actual
measures
local
governments
are
implementing
limited.
This
study
examines
7,500+
actions
by
2,500+
cities
under
two
flagship
programs
of
European
Commission.
The
analysis
reveals
that
cities'
strategies
pivot
around
green-
and
water-based
technologies
(66%
actions)
mildly
leveraging
permeable
reflective
surfaces
(35%)
rarely
solar
shading
wind
control
(8%)
or
stimuli-responsive/smart
systems
(2%).
Hundreds
(1)
indicate
extreme
as
a
hazard
growing
intensity
and/or
frequency,
(2)
located
in
hot-summer
climatic
zones,
(3)
will
experience
increasingly
frequent
heatwaves,
(4)
host
numerous
population
not
reporting
any
precaution.
Moreover,
show
limited
familiarity
with
combinatorial
approaches
little
attention
specific
vulnerable
groups.
Prevention,
awareness,
social
justice
should
receive
more
attention.
Sustainability,
Год журнала:
2025,
Номер
17(9), С. 3889 - 3889
Опубликована: Апрель 25, 2025
District
heating
and
cooling
systems
represent
a
great
pillar
of
European
cities
aiming
to
achieve
climate
neutrality.
This
study
investigates
stakeholders’
perspectives
on
district
analyze
the
challenges,
barriers,
potential
accelerators
sustainable
low-carbon
energy
transition
in
urban
areas.
was
performed
via
survey-based
approach,
targeting
multi-level
stakeholders,
both
from
supply
demand
side.
employed
structural
methodology
involving
customized
surveys
tailored
different
stakeholder
groups,
understand
advancement,
opportunities
Romania’s
systems.
The
results
highlighted
diverse
interests
emphasizing
need
for
financial
support
reduce
reliance
fossil
fuels
side
while
addressing
concerns
about
infrastructure
current
operations
laid
groundwork
shaping
national
regional
policies
promoting
local
partnerships
renewable
sources.
Using
multi-stakeholder,
cross-sectorial
SWOT
analysis
Romania,
it
systematically
addresses
technical,
financial,
regulatory
challenges
greater
sustainability
these
environment.
Frontiers in Environmental Science,
Год журнала:
2024,
Номер
12
Опубликована: Дек. 18, 2024
Introduction
This
study
explores
the
economic
and
environmental
impacts
of
water
resources
in
context
achieving
climate
neutrality
EU
Strategy
for
Danube
Region
(EUSDR).
The
research
is
focused
on
eight
EUSDR
member
states:
Bulgaria,
Czechia,
Germany,
Croatia,
Hungary,
Austria,
Romania,
Slovakia,
with
aim
analyzing
dynamic
relationship
between
resources,
growth,
sustainability.
Given
ambitious
goals
European
Green
Deal,
this
examines
how
management
can
support
transition
towards
neutrality.
Methods
A
econometric
model
was
developed
using
a
consolidated
database
relevant
indicators
from
2010
to
2021.
selected
included
GDP
per
capita,
use
agriculture,
gross
abstraction,
sewage
sludge
production,
productivity.
validated
statistical
tools
such
as
One-Sample
Kolmogorov-Smirnov
Test,
analysis
conducted
Gretl
IBM-SPSS
25
software.
Results
findings
reveal
that
significantly
contributes
achievement
targets.
achieved
over
86%
significance
explaining
financial
efforts
needed
achieve
Deal’s
2030
2050
goals.
Moreover,
productivity
investments
water-related
infrastructure
were
found
play
critical
roles
ensuring
success
these
policies.
Discussion
results
highlight
importance
policy
coordination
across
states
need
increased
investment
sustainable
resource
management.
Achieving
requires
addressing
disparities
enhancing
regional
cooperation.
Conclusion
proposed
offers
valuable
tool
monitoring
progress
neutrality,
particularly
relation
underlines
targeted
interventions
meet
while
safeguarding
region's
resources.
