Biogeosciences,
Journal Year:
2022,
Volume and Issue:
19(15), P. 3537 - 3557
Published: Aug. 1, 2022
Abstract.
Ocean
alkalinity
enhancement
(OAE)
is
a
method
that
can
remove
carbon
dioxide
(CO2)
from
the
atmosphere
and
counteract
ocean
acidification
through
dissolution
of
alkaline
minerals.
Currently,
critical
knowledge
gaps
exist
regarding
different
minerals
suitable
for
OAE
in
natural
seawater.
Of
particular
importance
to
understand
how
much
mineral
be
dissolved
before
secondary
precipitation
calcium
carbonate
(CaCO3)
occurs,
since
CaCO3
reduces
atmospheric
CO2
uptake
potential
OAE.
Using
two
types
proposed
OAE,
quick
lime
(CaO)
hydrated
(Ca(OH)2),
we
show
both
(<63
µm
diameter)
seawater
within
few
hours.
No
occurred
at
saturation
state
(ΩA)
∼5,
but
form
aragonite
above
an
ΩA
value
7.
This
limit
lower
than
expected
typical
pseudo-homogeneous
precipitation,
i.e.
presence
colloids
organic
matter.
Secondary
low
(∼
7)
was
result
heterogeneous
onto
surfaces,
most
likely
added
CaO
Ca(OH)2
particles.
Most
importantly,
runaway
observed,
condition
where
significantly
more
total
(TA)
removed
initially
added.
Such
could
reduce
efficiency
∼
0.8
mol
per
mole
TA
down
0.1
TA.
Runaway
appears
avoidable
by
dilution
below
threshold
5,
ideally
hours
additions
minimise
initial
precipitation.
Finally,
simulations
suggest
same
threshold,
amount
would
3
times
higher
5
∘C
30
∘C.
The
maximum
addition
also
increased
equilibrating
levels
(i.e.
pCO2
416
µatm)
during
addition.
allow
without
inducing
using
its
removal
potential.
Proceedings of the National Academy of Sciences,
Journal Year:
2021,
Volume and Issue:
118(2)
Published: Jan. 11, 2021
Major
declines
in
insect
biomass
and
diversity,
reviewed
here,
have
become
obvious
well
documented
since
the
end
of
World
War
II.
Here,
we
conclude
that
spread
intensification
agriculture
during
past
half
century
is
directly
related
to
these
losses.
In
addition,
many
areas,
including
tropical
mountains,
are
suffering
serious
losses
because
climate
change
as
well.
Crops
currently
occupy
about
11%
world's
land
surface,
with
active
grazing
taking
place
over
an
additional
30%.
The
industrialization
second
20th
involved
farming
on
greatly
expanded
scales,
monoculturing,
application
increasing
amounts
pesticides
fertilizers,
elimination
interspersed
hedgerows
other
wildlife
habitat
fragments,
all
practices
destructive
biodiversity
near
fields.
Some
insects
destroying,
pollinators
predators
crop
pests,
beneficial
crops.
tropics
generally,
natural
vegetation
being
destroyed
rapidly
often
replaced
export
crops
such
oil
palm
soybeans.
To
mitigate
effects
Sixth
Mass
Extinction
event
caused
experiencing
now,
following
will
be
necessary:
a
stable
(and
almost
certainly
lower)
human
population,
sustainable
levels
consumption,
social
justice
empowers
less
wealthy
people
nations
world,
where
vast
majority
us
live,
necessary.
Science,
Journal Year:
2020,
Volume and Issue:
369(6499), P. 65 - 70
Published: July 2, 2020
Some
cope
better
than
others
Increasingly,
research
is
revealing
how
organisms
may,
or
may
not,
adapt
to
a
changing
climate.
Understanding
the
limitations
placed
by
species's
physiology
can
help
determine
whether
it
has
an
immediate
potential
deal
with
rapid
change.
Many
studies
have
looked
at
physiological
tolerance
climate
change
in
fishes,
results
indicating
range
of
responses.
Dahlke
et
al.
conducted
meta-analysis
explore
life
stage
influence
ability
tolerate
temperature
(see
Perspective
Sunday).
They
found
that
embryos
and
breeding
adult
fishes
are
much
more
susceptible
those
other
stages
this
factor
must
therefore
be
considered
evaluations
susceptibility.
Science
,
issue
p.
65
;
see
also
35
BMJ,
Journal Year:
2020,
Volume and Issue:
unknown, P. m3811 - m3811
Published: Nov. 4, 2020
Abstract
Objective
To
assess
whether
exposure
to
high
temperatures
in
pregnancy
is
associated
with
increased
risk
for
preterm
birth,
low
birth
weight,
and
stillbirth.
Design
Systematic
review
random
effects
meta-analysis.
Data
sources
Medline
Web
of
Science
searched
up
September
2018,
updated
August
2019.
Eligibility
criteria
selecting
studies
Clinical
on
associations
between
environmental
temperatures,
stillbirths.
Results
14
880
records
175
full
text
articles
were
screened.
70
included,
set
27
countries,
seven
which
countries
or
middle
income.
In
40
47
studies,
births
more
common
at
higher
than
lower
temperatures.
Exposures
classified
as
heatwaves,
1°C
increments,
temperature
threshold
cutoff
points.
meta-analysis,
odds
a
rose
1.05-fold
(95%
confidence
interval
1.03
1.07)
per
increase
1.16-fold
(1.10
1.23)
during
heatwaves.
Higher
was
reduced
weight
18
28
considerable
statistical
heterogeneity.
Eight
stillbirths
all
showed
stillbirth,
increasing
(1.01
1.08)
rise
temperature.
Associations
outcomes
largest
among
women
socioeconomic
groups
age
extremes.
The
multiple
metrics
lag
analyses
limited
comparison
settings.
Conclusions
Although
summary
effect
sizes
are
relatively
small,
heat
exposures
the
important
determinants
population
health.
Linkages
status
study
suggest
that
risks
might
be
income
countries.
Temperature
rises
global
warming
could
have
major
implications
child
registration
PROSPERO
CRD
42019140136
42018118113.
Science,
Journal Year:
2021,
Volume and Issue:
372(6540), P. 378 - 385
Published: April 22, 2021
Change
in
the
air
The
2016
Paris
Agreement
set
ambitious
goals
of
keeping
global
temperature
rise
this
century
below
2°C,
or
even
better,
1.5°C
above
preindustrial
levels.
Substantial
interventions
are
required
to
meet
these
goals,
particularly
for
industrialized
countries.
Duan
et
al.
projected
that
China
will
need
reduce
its
carbon
emissions
by
more
than
90%
and
energy
consumption
almost
40%
do
share
reaching
target.
Negative
emission
technology
is
an
essential
element
any
plan.
China's
accumulated
economic
costs
2050
may
be
about
3
6%
gross
domestic
product.
Science
,
issue
p.
378
Advanced Functional Materials,
Journal Year:
2021,
Volume and Issue:
32(4)
Published: Oct. 13, 2021
Abstract
Closing
the
carbon‐,
hydrogen‐,
and
nitrogen
cycle
with
renewable
electricity
holds
promises
for
mitigation
of
facing
environment
energy
crisis,
along
continuing
prosperity
human
society.
Descriptors
bridge
gap
between
physicochemical
factors
electrocatalysts
their
boosted
activity
serve
as
guiding
principles
during
rational
design
electrocatalysts.
The
optimal
adsorption
strength
key
intermediates
is
potentially
accessed
under
tendentious
guidelines
proposed
by
indicators,
such
d‐band
center,
Δ
G
H
,
E
O*
coordination
number
(CN),
bond
length,
etc.
Here,
in
this
review,
a
comprehensive
summary
recent
advances
achieved
regarding
descriptors
that
aims
recycling
C/H/N‐containing
chemicals
offered.
review
initiated
providing
necessity
development
efficient
then
physics
behind
center
introduced.
Then
progress
relating
to
guidance
reviewed.
Following
that,
an
extended
discussion
experimental
or
theoretical
characterization
beyond
it
provided.
Finally,
perspectives
challenges
area
are
Nature Sustainability,
Journal Year:
2021,
Volume and Issue:
5(2), P. 139 - 148
Published: Dec. 2, 2021
Abstract
Research
on
the
environmental
impacts
from
global
value
chain
of
plastics
has
typically
focused
disposal
phase,
considered
most
harmful
to
environment
and
human
health.
However,
production
is
also
responsible
for
substantial
environmental,
health
socioeconomic
impacts.
We
show
that
carbon
particulate-matter-related
footprint
doubled
since
1995,
due
mainly
growth
in
coal-based
economies.
Coal-based
emissions
have
quadrupled
causing
almost
half
plastics-related
2015.
Plastics-related
footprints
China’s
transportation,
Indonesia’s
electronics
industry
India’s
construction
sector
increased
more
than
50-fold
1995.
In
2015,
caused
4.5%
greenhouse
gas
emissions.
Moreover,
6%
coal
electricity
used
production.
The
European
Union
United
States
increasingly
consumed
produced
85%
workforce
required
by
was
employed
abroad,
but
80%
related
added
generated
domestically.
As
high-income
regions
outsourced
energy-intensive
steps
economies,
renewable
energy
investments
throughout
are
critical
sustainable
consumption
plastics.
Proceedings of the National Academy of Sciences,
Journal Year:
2020,
Volume and Issue:
117(16), P. 8664 - 8668
Published: April 8, 2020
Carbon
pricing
is
often
presented
as
the
primary
policy
approach
to
address
climate
change.
We
challenge
this
position
and
offer
“sustainability
transition
policy”
(STP)
an
alternative.
has
weaknesses
with
regard
five
central
dimensions:
1)
problem
framing
solution
orientation,
2)
priorities,
3)
innovation
approach,
4)
contextual
considerations,
5)
politics.
In
order
urgency
of
change
achieve
deep
decarbonization,
responses
need
move
beyond
market
failure
reasoning
focus
on
fundamental
changes
in
existing
sociotechnical
systems
such
energy,
mobility,
food,
industrial
production.
The
core
principles
STP
can
help
tackle
challenge.
Many
are
eager
take
more
substantive
steps
change,
but
carbon
alone
won’t
be
sufficient.
Image
credit:
Shutterstock/Shawn
Goldberg.
Realizing
decarbonization
at
pace
necessary
mitigate
worst
impacts
emerged
a
pressing
for
policymakers
(1).
As
result,
debate
about
appropriate
intensified.
Many
experts
societal
actors
see
way
forward
(2⇓–4).
Some
even
use
it
argue
against
other
policies,
fuel
efficiency
standards.
Viewed
most
efficient
cut
greenhouse
gas
(GHG)
emissions,
incentivizes
seek
lowest-cost
abatement
options
their
specific
circumstances.
Consequently,
many
economists
that
should
cornerstone
response.
We
question
reasoning.
faces
major
issues
limit
its
accelerating
decarbonization.
First,
frames
rather
than
system
problem.
Second,
places
particular
weight
opposed
effectiveness.
Third,
tends
stimulate
optimization
transformation.
Fourth,
…
[↵][1]1To
whom
correspondence
may
addressed.
Email:
daniel.rosenbloom{at}utoronto.ca.
[1]:
#xref-corresp-1-1
Proceedings of the National Academy of Sciences,
Journal Year:
2020,
Volume and Issue:
117(49), P. 30882 - 30891
Published: Dec. 7, 2020
Recent
assessment
reports
by
the
Intergovernmental
Panel
on
Climate
Change
(IPCC)
and
Science-Policy
Platform
Biodiversity
Ecosystem
Services
(IPBES)
have
highlighted
risks
to
humanity
arising
from
unsustainable
use
of
natural
resources.
Thus
far,
land,
freshwater,
ocean
exploitation
been
chief
causes
biodiversity
loss.
change
is
projected
be
a
rapidly
increasing
additional
driver
for
Since
climate
loss
impact
human
societies
everywhere,
bold
solutions
are
required
that
integrate
environmental
societal
objectives.
As
yet,
most
existing
international
targets
overlooked
impacts.
At
same
time,
mitigation
measures
themselves
may
harm
directly.
The
Convention
Biological
Diversity’s
post-2020
framework
offers
important
opportunity
address
interactions
between
revise
accordingly
better
aligning
these
with
United
Nations
Framework
Paris
Agreement
Sustainable
Development
Goals.
We
identify
considerable
number
proposed
risk
being
severely
compromised
due
change,
even
if
other
barriers
their
achievement
were
removed.
Our
analysis
suggests
next
set
explicitly
addresses
change-related
since
many
aspirational
goals
will
not
feasible
under
lower-end
projections
future
warming.
Adopting
more
flexible
dynamic
approaches
conservation,
rather
than
static
goals,
would
allow
us
respond
flexibly
changes
in
habitats,
genetic
resources,
species
composition,
ecosystem
functioning
leverage
biodiversity’s
capacity
contribute
adaptation.