Advanced Materials,
Год журнала:
2023,
Номер
36(1)
Опубликована: Сен. 11, 2023
Abstract
Hygroscopic
salt‐based
composite
sorbents
are
considered
ideal
candidates
for
solar‐driven
atmospheric
water
harvesting.
The
primary
challenge
the
lies
in
exposing
more
hygroscopically
active
sites
to
surrounding
air
while
preventing
salt
leakage.
Herein,
a
hierarchically
structured
scaffold
is
constructed
by
integrating
cellulose
nanofiber
and
lithium
chloride
(LiCl)
as
building
blocks
through
3D
printing
combined
with
freeze‐drying.
milli/micrometer
multiscale
pores
can
effectively
confine
LiCl
simultaneously
provide
exposed
area
sorption
release,
accelerating
both
evaporation
kinetics
of
printed
structure.
Compared
conventional
freeze‐dried
aerogel,
exhibits
rate
that
increased
1.6‐fold,
along
than
2.4‐fold
greater
release
rate.
An
array
bilayer
scaffolds
demonstrated,
which
produce
0.63
g
−1
day
outdoors
under
natural
sunlight.
This
article
provides
sustainable
strategy
collecting
freshwater
from
atmosphere.
Energy & Environmental Science,
Год журнала:
2022,
Номер
15(9), С. 3583 - 3602
Опубликована: Янв. 1, 2022
This
work
quantifies
current
and
future
costs
as
well
environmental
burdens
of
large-scale
hydrogen
production
systems
on
geographical
islands,
which
exhibit
high
renewable
energy
potentials
could
act
export
hubs.
Heliyon,
Год журнала:
2023,
Номер
9(8), С. e18507 - e18507
Опубликована: Июль 21, 2023
Freshwater
is
a
vital
resource
for
both
ecosystem
health
and
human
survival,
it
the
natural
that
most
extracted
at
global
level.
Excessive
freshwater
consumption
can
be
responsible
scarcity
in
circulation
rate,
which
occurs
when
demand
exceeds
its
availability.
Hence,
water
needs
to
optimised
all
activities,
given
increasing
due
climate
changes
annual
net
increase
population
of
81,000,000.
plays
many
important
roles
daily
life
example,
agriculture
nearly
70%
withdrawal
volume,
therefore,
water-intensive
sector.
This
puts
emphasis
upon
urgent
need
transitioning
towards
more
sustainable
agricultural
food-production/consumption
systems.
Water
Footprint
(WF)
increasingly
playing
guiding
role
context.
Indeed,
makes
possible
quantify
related
environmental
consequences.
With
objective
contributing
enhancement
research
supporting
practitioners
decision-makers
environmentally
resilient
food
production/consumption,
authors
this
article
addressed
relevant
issues
connected
with:
a)
physical
economic
agriculture,
b)
practices
tools
reduce
wastage,
c)
WF
assessment
methodologies.
A
number
environmental,
economic,
engineering
solutions
were
proposed
mitigate
scarcity.
The
improvement
irrigation
technologies
was
identified
as
an
major
way
Additionally,
solar
powered
'reverse-osmosis'
being
used
parts
world
produce
from
saline
water,
thereby
reducing
extract
underground
aquifers.
confirmed
importance
on
scarcity;
moreover,
stimulate
development
application
make
production/consumption
efficient
resilient.
Proceedings of the National Academy of Sciences,
Год журнала:
2020,
Номер
117(36), С. 21985 - 21993
Опубликована: Авг. 24, 2020
Significance
Water’s
ability
to
generate
value
in
irrigated
agriculture
remains
poorly
quantified
at
the
global
scale.
The
valuation
of
irrigation
water
is
an
important
piece
information
not
only
for
agribusiness
investors
interested
acquisition
land
and
entitlements
but
also
farmers
rural
communities
that
are
negotiating
with
such
investors.
To
make
informed
decision
about
or
relinquishment
rights
investments
infrastructure
there
a
need
better
understanding
generated
by
using
methods
rely
on
globally
available
data.
This
study
provides
high-resolution
assessment
as
function
crop
type
geographic
location.
Environmental Research Letters,
Год журнала:
2020,
Номер
15(9), С. 095004 - 095004
Опубликована: Май 15, 2020
Abstract
Meeting
the
increasing
global
demand
for
agricultural
products
without
depleting
limited
resources
of
planet
is
a
major
challenge
that
humanity
facing.
Most
studies
on
food
security
do
not
make
projections
past
year
2050,
just
as
climate
change
and
are
expected
to
intensify.
Moreover,
account
water
sustainability
limits
irrigation
expansion
presently
rainfed
areas.
Here
we
perform
an
integrated
assessment
considers
range
factors
affecting
future
production
throughout
21st
century.
We
evaluate
self-sufficiency
165
countries
under
sustainability,
middle-of-the-road,
business-as-usual
scenarios
considering
changes
in
diet,
population,
intensification,
climate.
find
both
middle-of-the-road
trajectories
likely
decline
despite
increased
through
sustainable
intensification
since
projected
exceeds
potential
production.
Contrarily,
scenario,
estimate
there
will
be
enough
feed
population.
However,
most
Africa
Middle
East
continue
heavily
reliant
imports
century
all
scenarios.
These
results
highlight
hotspots
crop
deficits,
reliance
imports,
vulnerability
supply
shocks.
Proceedings of the National Academy of Sciences,
Год журнала:
2020,
Номер
117(47), С. 29526 - 29534
Опубликована: Ноя. 9, 2020
Climate
change
is
expected
to
affect
crop
production
worldwide,
particularly
in
rain-fed
agricultural
regions.
It
still
unknown
how
irrigation
water
needs
will
a
warmer
planet
and
where
freshwater
be
locally
available
expand
without
depleting
resources.
Here,
we
identify
the
cropping
systems
that
hold
greatest
potential
for
investment
expansion
because
likely
suffice
demand.
Using
projections
of
renewable
availability
demand
under
warming
scenarios,
target
regions
may
sustain
climate
change.
Our
results
also
show
global
croplands
significant
sustainable
different
strategies
have
potentials.
Under
3
°C
warming,
find
soft-path
with
small
monthly
storage
deficit
has
irrigated
land
by
70
million
hectares
feed
300
more
people
globally.
We
hard-path
large
annual
can
sustainably
up
350
hectares,
while
producing
food
1.4
billion
By
identifying
expanded
climate,
this
work
serve
as
starting
point
investigating
socioeconomic
factors
guide
future
research
resources
toward
those
communities
management
institutions
most
need
adapt
Nature Communications,
Год журнала:
2021,
Номер
12(1)
Опубликована: Фев. 23, 2021
Abstract
Irrigation
is
the
largest
sector
of
human
water
use
and
an
important
option
for
increasing
crop
production
reducing
drought
impacts.
However,
potential
irrigation
to
contribute
global
yields
remains
uncertain.
Here,
we
quantify
this
contribution
wheat
maize
at
scale
by
developing
a
Bayesian
framework
integrating
empirical
estimates
gridded
models
on
new
maps
relative
difference
between
attainable
rainfed
irrigated
yield
(Δ
Y
).
At
scale,
Δ
34
±
9%
22
13%
maize,
with
large
spatial
differences
driven
more
patterns
precipitation
than
that
evaporative
demand.
Comparing
demands
renewable
supply,
find
30–47%
contemporary
agriculture
cannot
achieve
gap
closure
utilizing
current
river
discharge,
unless
diversion
projects
are
set
in
place,
putting
into
question
mitigate
climate
change
