Towards carbon-neutral cities: an assessment of urban CO2 removal and albedo management
Abstract
Cities
worldwide
are
increasingly
committing
to
achieving
net-zero
carbon
emissions
in
the
coming
decades.
Most
cities
not
yet
aware
of
drastic
changes
built
environment
required
reduce
GHG
emissions,
and
many
cases
neutrality
targets
will
require
atmospheric
removal
outside
or
within
city
boundaries
offset
remaining
emissions.
Since
particularly
affected
by
increasing
temperatures
(e.g.
due
urban
heat
island
effect),
direct
regulation
radiation
through
surface
albedo
management
has
also
been
suggested
alleviate
these
exacerbated
impacts.
With
aim
supporting
path
carbon-neutral
cities,
this
paper
assesses
existing
literature
on
Carbon
Dioxide
Removal
(CDR)
at
scale,
seeking
quantify
potential
negative
contribution
globally.
Our
estimates
indicate
that
deploying
CDR
options
scale
could
make
a
significant
global
mitigation
climate
change,
alongside
upscaling
action
from
local
regional
national
scale.
The
associated
human
environmental
well-being
effects
strengthen
case
for
as
sinks.
upscale
reviewed
technologies
is
nevertheless
constrained
numerous
uncertainties,
economic
barriers
governance
issues
pose
substantial
drawbacks
their
implementation
scope,
suggesting
future
research
agenda.
Research Square (Research Square), Год журнала: 2023, Номер unknown
Опубликована: Авг. 21, 2023
Язык: Английский