Advances in electronic government, digital divide, and regional development book series,
Journal Year:
2024,
Volume and Issue:
unknown, P. 52 - 80
Published: Aug. 23, 2024
The
rapid
progress
in
genetic
research
and
technological
advancements
recent
years
have
revolutionized
the
field
of
reproductive
medicine.
Human
genome
embryo
editing,
which
involve
deliberate
alteration
material,
hold
immense
potential
for
preventing
diseases,
enhancing
human
traits,
even
addressing
infertility.
However,
these
groundbreaking
developments
come
with
significant
ethical,
legal,
social
implications
that
need
to
be
carefully
examined
addressed.
absence
a
unified
global
regulatory
framework
editing
has
created
fragmented
landscape.
Various
countries
adopted
different
approaches,
ranging
from
strict
regulations
more
permissive
policies.
This
chapter
aims
provide
comprehensive
analysis
current
state
affairs,
highlighting
importance
establishing
standards
ensure
responsible
equitable
use
technologies,
while
also
prioritizing
protection
women's
rights
ensuring
justice.
Practice, progress, and proficiency in sustainability,
Journal Year:
2024,
Volume and Issue:
unknown, P. 485 - 506
Published: Aug. 27, 2024
Artificial
Intelligence
plays
a
pivotal
in
resolving
climate
change
and
the
environmental
crisis
with
help
of
AI
technologies.
However,
by
scrubbing
massive
amounts
information
from
satellites
sensors,
it
can
refine
prediction
allowing
for
better
re-prioritization
downstream
when
initiating
mitigation
plans.
In
addition,
using
Intelligence,
also
optimizes
trees
autonomous
networks
energy
systems,
emissions
reduction
carbon.
But
training
is
intensive,
responsible
sizable
chunk
greenhouse
gas
emissions.
As
evolves,
essential
to
guide
its
development
deployment
principles
sustainability
responsibility.
This
chapter
examines
various
aspects
issues
achieve
sustainable
goals.
It
significant
challenges
limitations
intertwined
incorporation
degradation
crises
change.
Water Research X,
Journal Year:
2025,
Volume and Issue:
27, P. 100306 - 100306
Published: Jan. 22, 2025
Solid
carbon-driven
biofilm
system
can
provide
sufficient
carbon
source
for
denitrification,
while
its
counter-diffusional
structure
could
inevitably
induce
the
delayed
carbon-nitrogen
contact
and
electron
transport,
further
affecting
footprints
mainly
contributed
by
nitrous
oxide
(N2O)
at
wastewater
treatment
plants
(WWTPs).
However,
detailed
understanding
of
N2O
dynamics
during
solid-phase
denitrification
(SPD)
has
not
been
disclosed.
In
this
work,
a
fixed
bed
bioreactor
driven
polycaprolactone
(PCL)
was
constructed
operated
over
180
days,
achieving
97
%-99
%
total
nitrogen
(TN)
removal
efficiency.
Biochemical
results
indicated
that
under
condition
each
(NO
x
)
concentration
maintained
30
mg-N/L,
competition
between
upstream
downstream
pools
still
observed
PCL-driven
even
providing
source.
For
example,
coexistent
nitrate
(NO3
-)+
nitrite
(NO2
-)+N2O
condition,
few
electrons
(i.e.,
12.6
%)
distributed
to
reductase
(Nos),
significantly
decreasing
reduction
rate
1.42
mg/g
VSS/h).
Under
TN
in
scheme
containing
NO3
-+NO2
-+N2O
be
1.75-2.3
times
higher
than
with
sole
NO
mg-N/L.
This
suggested
when
treating
multiple
,
only
relatively
improve
efficiency,
but
also
alleviate
emissions.
The
abundance
Bacteroidota
Comamonadaceae
ensured
stable
release
conversion
states.
Environmental Science & Technology,
Journal Year:
2024,
Volume and Issue:
58(4), P. 1954 - 1965
Published: Jan. 19, 2024
Partial
nitritation
(PN)
is
an
important
partner
with
anammox
in
the
sidestream
line
treating
high-strength
wastewater
and
primarily
contributes
to
nitrous
oxide
(N2O)
emissions
such
a
hybrid
system,
which
also
suffers
from
ubiquitous
microplastics
because
of
growing
usage
disposal
levels
plastics.
In
this
study,
influences
polyvinyl
chloride
(PVC-MPs)
on
N2O-contributing
pathways
were
experimentally
revealed
fill
knowledge
gap
N2O
emission
PN
system
under
stress.
The
long-term
results
showed
that
overall
performance
was
hardly
affected
by
low-dose
PVC-MPs
(0.5
mg/L)
while
obviously
deteriorated
high
dose
(5
mg/L).
According
batch
tests,
reduced
biomass-specific
ammonia
oxidation
rates
(AORs)
5.78–21.94%
stimulated
aerobic
production
9.22–88.36%.
Further,
upon
increasing
dissolved
oxygen
concentrations
0.3
0.9
mg
O2/L,
degree
AOR
inhibition
increased
but
stimulation
lightened.
Site
preference
analysis
combination
metabolic
inhibitors
demonstrated
contributions
hydroxylamine
heterotrophic
denitrification
at
O2/L
enhanced
18.84
10.34%,
respectively,
accompanied
corresponding
decreased
contribution
nitrifier
denitrification.
Finally,
underlying
mechanisms
proposed
for
negative
bisphenol
A
leaching
reactive
species
production,
led
more
cell
death,
altered
sludge
properties,
reshaped
microbial
communities,
further
resulting
emission.
Overall,
work
implied
are
hidden
danger
cannot
be
ignored
system.
Sustainability,
Journal Year:
2025,
Volume and Issue:
17(5), P. 1887 - 1887
Published: Feb. 23, 2025
Achieving
carbon
neutrality
is
a
priority
in
global
environmental
policies,
and
South
Korea
committed
to
its
2050
goal.
This
study
explores
methods
reduce
emissions
urban
water
cycle
(UWC)
systems,
which
are
essential
infrastructures
that
consume
considerable
energy.
Focusing
on
Incheon
Metropolitan
City
(IMC),
the
research
identifies
UWC
components,
estimates
energy
consumption,
calculates
across
eight
administrative
districts.
The
analysis
comprises
four
abstraction
plants
(WAPs),
treatment
(WTPs),
eleven
wastewater
(WWTPs).
Strategies
for
reduction
involve
decreasing
consumption
minimizing
from
treatment.
categorizes
management
targets
as
water,
energy,
carbon,
developing
different
scenarios.
A
emission
calculation
model
WTPs
WWTPs
was
developed
evaluate
Notably,
scenario
focusing
renewable
development
efficiency
improvements
yielded
highest
reductions,
confirming
government’s
initiatives
vital
achieving
net-zero
IMC’s
systems.
Conversely,
prioritizing
use
proved
less
effective,
but
excelled
regarding
investment
costs.
These
findings
can
serve
other
cities
managing
systems
while
striving
sustainability.
Water Research X,
Journal Year:
2024,
Volume and Issue:
27, P. 100299 - 100299
Published: Dec. 27, 2024
Widespread
polyethylene
terephthalate
microplastics
(PET
MPs)
have
played
unintended
role
in
nitrous
oxide
(N2O)
turnovers
(i.e.,
production
and
consumption)
at
wastewater
treatment
plants
(WWTPs).
Mainstream
aerobic
granular
sludge
(AGS)
systems
possess
potentially
strong
N2O-sink
capability,
which
may
be
reduced
by
PET
MPs
stress
through
altering
N2O-contributing
pathways,
electron
transfer,
microbial
community
structures.
In
this
study,
the
effects
of
with
two
common
particle
sizes
effluent
from
WWTPs
(0.1
0.5
mm)
on
N2O
turnovers,
pathways
capability
were
systematically
disclosed
AGS
a
series
biochemical
tests
molecular
biological
means
to
achieve
goal
carbon
neutrality.
The
results
indicated
that
0.1
mm
could
more
significantly
stimulate
inhibiting
denitrifying
metabolism,
compared
control
systems.
Specifically,
slightly
increased
relative
abundance
Nitrosomonas,
reducing
yields
via
promoting
hydroxylamine
(NH2OH)
oxidation
pathway
during
nitrification.
Also,
inhibited
transport
system
activities
reductase,
hindering
reduction
denitrification.
Most
importantly,
apparently
based
ratio
reductase
gene
nitrite
gene.