Korean Journal of Chemical Engineering,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 5, 2024
Abstract
Carbon
dioxide
capture
and
utilization
(CCU)
in
chemical
processes
is
vital
for
achieving
sustainable
economically
viable
solutions
the
context
of
climate
change
mitigation.
This
review
focuses
on
reverse
water–gas
shift
(RWGS)
reaction
as
a
promising
pathway
converting
CO₂
into
carbon
monoxide
(CO),
which
can
subsequently
be
used
precursor
synthesis
various
hydrocarbon
compounds.
The
discussion
centers
catalyst
design
strategies
aimed
at
enhancing
low-temperature
activity
RWGS
reaction,
emphasizing
roles
supports
active
sites.
Key
approaches
include
increasing
surface
area,
introducing
defect
sites,
improving
redox
properties
catalysts.
Methods
controlling
adsorption
strength
gas
reactants
products
to
enhance
CO
selectivity
are
explored,
with
particular
attention
use
ligands,
promoters,
doping,
advanced
structures
such
single-atom
or
core–shell
configurations.
Considerations
regarding
durability
reducing
environments
development
feasible
catalysts
also
addressed.
Well-designed
offer
significant
advantages
valorization,
conversion
hydrocarbons
more
readily
achieved
starting
from
CO.
Nature Climate Change,
Journal Year:
2024,
Volume and Issue:
14(10), P. 1047 - 1055
Published: Sept. 25, 2024
Climate
change
mitigation
requires
the
large-scale
deployment
of
carbon
capture
and
storage
(CCS).
Recent
plans
indicate
an
eight-fold
increase
in
CCS
capacity
by
2030,
yet
feasibility
expansion
is
debated.
Using
historical
growth
other
policy-driven
technologies,
we
show
that
if
double
between
2023
2025
their
failure
rates
decrease
half,
could
reach
0.37
GtCO
Annals of the New York Academy of Sciences,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 12, 2025
Abstract
Globally,
more
than
100
countries
have
adopted
net‐zero
targets.
Most
studies
agree
on
how
this
increases
the
chance
of
keeping
end‐of‐century
global
warming
below
2°C.
However,
they
typically
make
assumptions
about
targets
that
do
not
capture
uncertainties
related
to
gas
coverage,
sector
sinks,
and
removals.
This
study
aims
analyze
impact
many
uncertainty
factors
projected
greenhouse
(GHG)
emissions
by
2050
for
major
emitting
following
their
pathways,
aggregate
GHG
emissions.
Global
emission
projections
range
from
23
40
gigatons
CO
2
equivalent
(GtCO
eq),
with
a
median
31
GtCO
eq.
Our
full
corresponds
40–75%
2015
levels,
which
is
much
wider
30–45%
reported
various
integrated
assessment
models.
The
main
contributing
divergence
are
in
coverage
socioeconomic
baseline.
Countries
small
emissions,
while
beyond
unclear
such
as
China,
India,
Indonesia,
large
2050.
Nature Communications,
Journal Year:
2024,
Volume and Issue:
15(1)
Published: Oct. 23, 2024
Abstract
Achieving
net-zero
climate
targets
requires
some
level
of
carbon
dioxide
removal.
Current
assessments
focus
on
tonnes
CO
2
removed,
without
specifying
what
form
these
removals
will
take.
Here,
we
show
that
countries’
pledges
require
approximately
1
(0.9–1.1)
billion
ha
land
for
removals.
For
over
40%
this
area,
the
envisage
conversion
existing
uses
to
forests,
while
remaining
area
restores
ecosystems
and
uses.
We
analyse
how
demand
is
distributed
geographically
time.
The
results
are
concerning,
both
in
terms
aggregate
land,
but
also
rate
extent
use
change.
Our
findings
demonstrate
a
gap
between
governments’
expected
reliance
role
can
realistically
play
mitigation.
This
adds
another
layer
observed
shortcomings
national
indicates
need
more
transparency
around
mitigation
plans.
Earth system science data,
Journal Year:
2025,
Volume and Issue:
17(1), P. 221 - 231
Published: Jan. 27, 2025
Abstract.
The
AR6
Scenarios
Database
is
a
vital
repository
of
climate
change
mitigation
pathways
used
in
the
latest
Intergovernmental
Panel
on
Climate
Change
(IPCC)
assessment
cycle.
In
its
current
version,
many
scenarios
database
lack
information
about
level
anthropogenic
carbon
dioxide
(CO2)
removal
via
land
sinks,
as
net-negative
CO2
emissions
and
gross
removals
are
not
always
separated
consistently
reported
across
models.
This
makes
scenario
analyses
focusing
challenging.
We
test
compare
performance
different
regression
models
to
impute
missing
data
sequestration
for
global
several
sub-global
macro-regions
from
available
net
agriculture,
forestry,
other
uses.
find
that
k-nearest
neighbors
performs
best
among
tested
use
it
provide
two
publicly
imputation
datasets
(https://doi.org/10.5281/zenodo.13373539,
Prütz
et
al.,
2024)
sinks
incomplete
(n=404)
regional
R10
variants
(n=2358)
Database.
discuss
limitations
our
approach,
secondary
assessments
ensembles,
how
this
approach
compares
recent
reanalyses.
Sustainability,
Journal Year:
2025,
Volume and Issue:
17(3), P. 1281 - 1281
Published: Feb. 5, 2025
Global
construction
activity
remains
the
least
responsive
large
economic
sector
to
exigencies
of
global
climate
change.
The
focus
has
centered
on
operating
emissions
buildings,
while
upfront
embodied
in
building
materials
remain
unabated.
Softwood
timber,
a
commonly
used
material,
can
remove
and
store
atmospheric
carbon
buildings
for
decades.
However,
benefits
using
softwoods
frames
are
limited
due
multi-decadal
growth
harvest
cycles
forest
plantations.
objective
this
study
was
demonstrate
that
fast-growing
Eucalyptus
is
superior
sequestration
feedstock
compared
slow-growing
softwoods.
We
quantified
relative
group
North
American
an
all-carbon-pools,
risk-adjusted
model
compares
net
present
value
flows
over
100-year
period.
Using
novel
benefit
multiple
metric,
analysis
shows
short-rotation,
high-yield
plantations
2.7×
4.6×
better
at
sequestering
than
softwoods,
depending
various
risk
perception
scenarios.
results
indicate
decarbonization
be
enhanced
by
high-yielding
species
