Proceedings of the National Academy of Sciences,
Год журнала:
2024,
Номер
121(5)
Опубликована: Янв. 16, 2024
Future
climate
change
can
cause
more
days
with
poor
air
quality.
This
could
trigger
alerts
telling
people
to
stay
inside
protect
themselves,
potential
consequences
for
health
and
equity.
Here,
we
study
the
in
US
quality
over
this
century
due
fine
particulate
matter
(PM
2.5
),
who
they
may
affect,
how
respond.
We
find
increase
by
1
mo
per
year
eastern
United
States
2100
quadruple
on
average.
They
predominantly
affect
areas
high
Black
populations
leakier
homes,
exacerbating
existing
inequalities
impacting
those
less
able
adapt.
Reducing
emissions
offer
significant
annual
benefits
($5,400
person)
mitigating
effect
of
pollution
its
associated
risks
early
death.
Relying
adapt,
instead,
would
require
them
inside,
doors
windows
closed,
an
extra
142
d
year,
at
average
cost
$11,000
person.
It
appears
likelier,
however,
that
will
achieve
minimal
protection
without
policy
adaptation
rates.
Boosting
net
benefits,
even
alongside
deep
emission
cuts.
New
policies
could,
example:
reduce
costs;
infiltration
improve
indoor
quality;
awareness
adaptation;
provide
measures
working
or
living
outdoors.
emissions,
conversely,
lowers
everyone’s
need
protects
cannot
Equitably
protecting
human
from
under
requires
both
mitigation
adaptation.
Abstract
As
the
Earth's
Third
Pole
and
Asian
water
tower,
Qinghai‐Tibet
Plateau
(QTP)
plays
a
key
role
in
global
climate
regulation
biodiversity
maintenance.
Living
harmony
with
nature
is
vital
for
local
sustainable
development.
Current
research
on
conflicted
or
coordinated
relationship
between
humans
QTP
at
fine
spatial
scale
remains
limited.
To
fill
gap,
we
developed
human
activity
intensity
index
(HAI)
eco‐environmental
quality
(EQI)
1‐km
resolution
proposed
four‐quadrant
diagram
approach
to
explore
dynamics
them.
The
results
show
development
as
HAI
EQI
both
increased
from
2000
2020,
ratio
of
areas
was
5:1.
High
were
mainly
big
cities
such
Xining,
Lhasa,
Haidong,
Xigaze,
along
traffic
lines.
significant
outside
Lhasa
metropolitan,
south
Hengduan
Mountains,
some
new
roads,
reduced
by
8%
2000–2010
2010–2020.
area
high
but
low
smallest
proportion,
southern
Qinghai
Lake,
Brahlung
Zangbo
River,
Gobi
oases,
western
transport
lines,
it
implies
highest
risk
ecosystem
degradation.
This
expands
fundamental
methodology
address
complex
human‐natural
relationships
provides
implications
fragile
ecosystems.
Nature Climate Change,
Год журнала:
2023,
Номер
13(1), С. 48 - 57
Опубликована: Янв. 1, 2023
Abstract
The
uncertainties
around
the
hydrological
and
socio-economic
implications
of
climate
change
pose
a
challenge
for
Nile
River
system
management,
especially
with
rapidly
rising
demands
river-system-related
services
political
tensions
between
riparian
countries.
Cooperative
adaptive
management
can
help
alleviate
some
these
stressors
tensions.
Here
we
present
planning
framework
infrastructure
system,
combining
projections;
hydrological,
river
economy-wide
simulators;
artificial
intelligence
multi-objective
design
machine
learning
algorithms.
We
demonstrate
utility
by
designing
cooperative
policy
Grand
Ethiopian
Renaissance
Dam
that
balances
transboundary
economic
biophysical
interests
Ethiopia,
Sudan
Egypt.
This
shows
if
three
countries
compromise
cooperatively
adaptively
in
managing
dam,
national-level
resilience
benefits
are
substantial,
under
projections
most
extreme
streamflow
changes.
Global Environmental Change,
Год журнала:
2023,
Номер
82, С. 102727 - 102727
Опубликована: Июль 4, 2023
Decision-making
under
uncertainty
is
important
for
managing
human-natural
systems
in
a
changing
world.
A
major
source
of
linked
to
the
multi-actor
settings
decisions
with
poorly
understood
values,
complex
relationships,
and
conflicting
management
approaches.
Despite
general
agreement
across
disciplines
on
co-producing
knowledge
viable
inclusive
outcomes
context,
there
still
limited
conceptual
clarity
no
systematic
understanding
what
co-production
means
decision-making
how
it
can
be
approached.
Here,
we
use
content
analysis
clustering
systematically
analyse
50
cases
multiple
time
spatial
scales
26
countries
9
different
sectors
last
decade
serve
two
aims.
The
first
synthesise
key
recurring
strategies
that
underpin
high
quality
decision
many
diverse
features.
second
identify
deficits
opportunities
leverage
existing
towards
flourishing
support
decision-making.
We
find
four
emerge
centred
around:
promoting
innovation
robust
equitable
decisions;
broadening
span
interacting
systems;
fostering
social
learning
participation;
improving
pathways
impact.
Additionally,
five
areas
should
addressed
improve
are
identified
relation
to:
participation
diversity;
collaborative
action;
power
relationships;
governance
inclusivity;
transformative
change.
Characterising
emergent
their
improvement
help
guide
future
works
more
pluralistic
integrated
science
practice.
Regional
climate
models
can
be
used
to
examine
how
past
weather
events
might
unfold
under
different
conditions
by
simulating
analogue
versions
of
those
with
modified
thermodynamic
(i.e.,
warming
signals).
Here,
we
apply
this
approach
dynamically
downscaling
a
40-year
sequence
from
1980-2019
driven
atmospheric
re-analysis,
and
then
repeating
total
8
times
using
range
time-evolving
signals
that
follow
4
80-year
future
trajectories
2020-2099.
Warming
two
emission
scenarios
(SSP585
SSP245)
are
derived
groups
global
based
on
whether
they
exhibit
relatively
high
or
low
sensitivity.
The
resulting
dataset,
which
contains
25
hourly
over
200
3-hourly
variables
at
12
km
spatial
resolution,
plausible
in
direct
reference
previously
observed
enables
systematic
exploration
the
ways
change
influences
characteristics
historical
extreme
events.
Proceedings of the National Academy of Sciences,
Год журнала:
2023,
Номер
120(41)
Опубликована: Окт. 2, 2023
Scientists
seek
to
understand
the
causal
processes
that
generate
sustainability
problems
and
determine
effective
solutions.
Yet,
inquiry
in
nature-society
systems
is
hampered
by
conceptual
methodological
challenges
arise
from
interdependencies
complex
dynamics
they
create.
Here,
we
demonstrate
how
scientists
can
address
these
make
more
robust
claims
through
better
integration
between
empirical
analyses
process-
or
agent-based
modeling.
To
illustrate
different
epistemological
traditions
be
integrated,
present
four
studies
of
air
pollution
regulation,
natural
resource
management,
spread
COVID-19.
The
show
improve
estimates
effects,
inform
future
research
designs
data
collection,
enhance
understanding
underlie
observed
temporal
patterns,
elucidate
mechanisms
contexts
which
operate.
These
advances
help
develop
theories
phenomena
where
social
ecological
are
dynamically
intertwined
prior
knowledge
limited.
improved
also
enhances
governance
helping
practitioners
choose
among
potential
interventions,
decide
when
timing
an
intervention
matters,
anticipate
unexpected
outcomes.
Methodological
integration,
however,
requires
skills
efforts
all
involved
learn
members
respective
other
tradition
think
analyze
systems.
Proceedings of the National Academy of Sciences,
Год журнала:
2024,
Номер
121(13)
Опубликована: Март 18, 2024
Equity
is
core
to
sustainability,
but
current
interventions
enhance
sustainability
often
fall
short
in
adequately
addressing
this
linkage.
Models
are
important
tools
for
informing
action,
and
their
development
use
present
opportunities
center
equity
process
outcomes.
This
Perspective
highlights
progress
integrating
into
systems
modeling
science,
as
well
key
challenges,
tensions,
future
directions.
We
a
conceptual
framework
modeling,
focused
on
its
distributional,
procedural,
recognitional
dimensions.
discuss
examples
of
how
modelers
engage
with
these
different
dimensions
throughout
the
from
across
range
approaches
topics,
including
water
resources,
energy
systems,
air
quality,
conservation.
Synthesizing
examples,
we
identify
significant
advances
enhancing
procedural
by
reframing
models
explore
pluralism
worldviews
knowledge
systems;
enabling
better
represent
distributional
inequity
through
new
computational
techniques
data
sources;
investigating
dynamics
that
can
drive
inequities
linking
approaches;
developing
more
nuanced
metrics
assessing
also
directions,
such
an
increased
focus
using
pathways
transform
underlying
conditions
lead
move
toward
desired
futures.
By
looking
at
diverse
fields
within
argue
there
valuable
mutual
learning
effectively
support
sustainable
equitable