Natural sciences education,
Год журнала:
2025,
Номер
54(1)
Опубликована: Июнь 1, 2025
Abstract
Currently,
climate
and
the
environment
are
focus
of
much
dialogue
within
postsecondary
institutions.
The
goal
this
research
was
to
better
understand
student
experiences
while
enrolled
in
an
undergraduate
course
centered
on
systems
alongside
food,
energy,
sustainability.
Specifically,
study
explored
role
three
primary
factors
learning:
optimal
experience,
fear,
resilience.
Additional
dimensions
included
using
film
as
a
pedagogy
students
engaging
both
online
in‐person.
were
quantified
through
survey
event‐contingent
sampling
items
where
(a)
have
perceived
level
skill
challenge
associated
with
activity,
(b)
that
quantify
(c)
develop
ways
cope
these
experiences.
purpose
explore
relationships
between
modality
engagement
(i.e.,
or
in‐person)
well
themes.
Fear
most
prevalent
factor
across
modalities
For
climate‐themed
films,
concerning
levels
fear
low
resilience
found.
Based
results,
authors
recommend
in‐person
mediation
tactics
assist
increasing
resilience,
especially
climate‐related
content.
Mediation
activities
may
include
structured
problem‐solution
can
address
current
narratives.
Abstract
Global
ocean
surface
temperatures
were
at
record
levels
for
more
than
a
year
from
April
2023
onwards,
exceeding
the
previous
in
2015–2016
by
0.25
°C
on
average
between
and
March
2024
1
.
The
nearly
global
extent
unprecedented
intensity
of
this
event
prompted
questions
about
how
exceptional
it
was
whether
climate
models
can
represent
such
record-shattering
jumps
2
Here
we
construct
observation-based
synthetic
time
series
to
show
that
jump
sea
breaks
least
is
1-in-512-year
under
current
long-term
warming
trend
(1-in-205-year
1-in-1,185-year
event;
95%
confidence
interval).
Without
trend,
an
would
have
been
practically
impossible.
Using
270
simulations
wide
range
fully
coupled
models,
these
successfully
simulate
temperatures,
underpinning
models’
usefulness
understanding
characteristics,
drivers
consequences
events.
These
model
suggest
2023–2024
extreme
after
which
are
expected
revert
trend.
Environmental Research Letters,
Год журнала:
2025,
Номер
20(2), С. 024037 - 024037
Опубликована: Янв. 28, 2025
Abstract
Global
mean
sea
surface
temperature
(GMSST)
is
a
fundamental
diagnostic
of
ongoing
climate
change,
yet
there
incomplete
understanding
multi-decadal
changes
in
warming
rate
and
year-to-year
variability.
Exploiting
satellite
observations
since
1985
statistical
model
incorporating
drivers
variability
we
identify
an
increasing
rise
GMSST.
This
accelerating
ocean
physically
linked
to
upward
trend
Earth’s
energy
imbalance
(EEI).
We
quantify
that
GMSST
has
increased
by
0.54
±
0.07
K
for
each
GJ
m
–2
accumulated
energy,
equivalent
0.17
±
0.02
decade
‒1
(W
‒2
)
.
Using
the
isolate
from
interannual
variability,
underlying
change
rises
proportion
with
accumulation
0.06
–1
during
1985–89
0.27
2019–23.
While
associated
El
Niño
Southern
Oscillation
triggered
exceptionally
high
GMSSTs
2023
early
2024,
44%
(90%
confidence
interval:
35%–52%)
+0.22
difference
between
peak
2023/24
event
2015/16
unexplained
unless
acceleration
accounted
for.
Applying
indicative
future
scenarios
EEI
based
on
recent
trends,
increases
are
likely
be
faster
than
would
expected
linear
extrapolation
past
four
decades.
Our
results
provide
observational
evidence
increase
inferred
over
40
years
will
exceeded
within
next
20
years.
Policy
makers
wider
society
should
aware
global
decades
poor
guide
come,
underscoring
urgency
deep
reductions
fossil-fuel
burning.
Research Square (Research Square),
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 13, 2025
Abstract
Over
the
past
two
decades,
anthropogenic
emission
reductions
and
global
warming
have
impacted
marine
low
clouds
through
aerosol-cloud
interactions
(ACI)
cloud
feedback,
yet
their
quantitative
contributions
remain
unclear.
This
study
employs
a
deep
learning
model
(CNNMet−Nd)
Community
Earth
System
Model
version
2
(CESM2)
to
disentangle
these
effects.
CNNMet−Nd
reveals
that
aerosol-driven
changes
in
droplet
number
concentration
dominate
near-global
shortwave
radiative
effect
(ΔCRE),
contributing
0.42
±
0.08
Wm⁻²
per
20
years,
compared
0.05
0.37
from
feedback.
CESM2
effectively
reproduces
predominant
influence
of
aerosol
on
ΔCRE
by
CNNMet−Nd,
lending
us
confidence
for
stronger
estimate
effective
forcing
due
ACI
(ERFaci)
-1.29
since
preindustrial
era.
These
findings
highlight
critical
role
shaping
trends
its
broader
climate
implications,
especially
under
ongoing
reduction
efforts.
