Engineering,
Journal Year:
2022,
Volume and Issue:
14, P. 77 - 85
Published: May 24, 2022
Many
cities
have
pledged
to
achieve
carbon
neutrality.The
urban
water
industry
can
also
contribute
its
share
a
carbon-neutral
future.Using
multi-city
time-series
analysis
approach,
this
study
aims
assess
the
progress
and
lessons
learned
from
greenhouse
gas
(GHG)
emissions
management
of
systems
in
four
global
cities:
Amsterdam,
Melbourne,
New
York
City,
Tokyo.These
are
advanced
setting
GHG
reduction
targets
reporting
their
industries.All
reduced
industries,
compared
with
those
more
than
decade
ago
(i.e.,
latest
three-year
moving
averages
13%-32%
lower),
although
''rebounded"
multiple
times
over
years.The
reductions
were
mainly
due
various
engineering
opportunities
such
as
solar
mini-hydro
power
generation,
biogas
valorization,
sludge
digestion
incineration
optimization,
aeration
system
optimization.These
recognized
many
challenges
reaching
carbon-neutrality
goals,
which
include
fluctuating
demand
rainfall,
carbon-intensive
flood-prevention
water-supply
strategies,
meeting
new
air
quality
standards,
revising
accounting
methods.This
has
shown
that
it
is
difficult
for
neutrality
on
own.A
collaborative
approach
other
sectors
needed
when
aiming
toward
city's
goal.Such
an
involves
expanding
usual
boundary
externally
tap
into
both
non-engineering
opportunities.
Nature Communications,
Journal Year:
2024,
Volume and Issue:
15(1)
Published: Jan. 23, 2024
Abstract
Irrigation
reduces
crop
vulnerability
to
drought
and
heat
stress
thus
is
a
promising
climate
change
adaptation
strategy.
However,
irrigation
also
produces
greenhouse
gas
emissions
through
pump
energy
use.
To
assess
potential
conflicts
between
adaptive
expansion
agricultural
mitigation
efforts,
we
calculated
county-level
from
use
in
the
US
using
fuel
expenditures,
prices,
factors.
produced
12.6
million
metric
tonnes
CO
2
e
2018
(90%
CI:
10.4,
15.0),
predominantly
attributable
groundwater
pumping.
Groundwater
reliance,
irrigated
area
extent,
water
demand,
choice,
electrical
grid
intensity
drove
spatial
heterogeneity
emissions.
Due
heavy
reliance
on
pumps,
projected
reductions
are
estimated
reduce
pumping
by
46%
2050,
with
further
possible
electrification.
Quantification
of
irrigation-related
will
enable
targeted
reduction
efforts
climate-smart
expansion.
Water Research,
Journal Year:
2023,
Volume and Issue:
233, P. 119739 - 119739
Published: Feb. 16, 2023
Drinking
water
and
wastewater
utilities
are
in
the
business
of
making
clean
water,
not
using
energy,
ongoing
energy
transition
is
swiftly
creating
new
challenges
for
which
they
unprepared.
At
this
critical
juncture
water-energy
nexus,
Making
Waves
article
explores
how
research
community
can
support
during
as
features
like
renewables,
flexible
loads,
dynamic
markets
become
standard.
Researchers
help
implement
existing
management
techniques
yet
widely
practiced,
including
establishing
policies,
managing
data,
low-energy-intensity
sources,
participating
demand
response
programs.
New
priorities
pricing,
on-site
renewable-energy
micro-grids,
integrated
forecasting.
Water
have
adapted
to
many
technological
regulatory
changes
over
years,
with
designs
operations,
will
thrive
a
clean-energy
future.
Scientific Data,
Journal Year:
2024,
Volume and Issue:
11(1)
Published: Jan. 23, 2024
Wastewater
treatment
plants
(WWTPs)
are
large
electricity
and
natural
gas
consumers
with
untapped
potential
to
recover
carbon-neutral
biogas
provide
energy
services
for
the
grid.
Techno-economic
analysis
of
emerging
recovery
management
technologies
is
critical
understanding
their
commercial
viability,
but
quantifying
cost
savings
stymied
by
a
lack
well
curated,
nationally
representative
tariff
data.
We
present
dataset
tariffs
100
largest
WWTPs
in
Clean
Watershed
Needs
Survey
(CWNS)
54
on-site
cogeneration.
manually
collected
from
each
utility's
website
implemented
data
checks
ensure
validity.
The
includes
facility
metadata,
tariffs,
(where
cogeneration
present).
Tariffs
current
as
November
2021.
code
technical
validation
along
sample
simulation.
Scientific Data,
Journal Year:
2024,
Volume and Issue:
11(1)
Published: Jan. 23, 2024
Abstract
As
the
climate
crisis
intensifies,
it
is
becoming
increasingly
important
to
conduct
research
aimed
at
fully
understanding
change
impacts
on
various
infrastructure
systems.
In
particular,
water-electricity
demand
nexus
a
growing
area
of
focus.
However,
requires
use
data,
which
can
be
difficult
obtain,
especially
across
large
spatial
extents.
Here,
we
present
dataset
containing
over
decade
(2007–2018)
monthly
water
and
electricity
consumption
data
for
46
major
US
cities
(2018
population
>250,000).
Additionally,
include
pre-processed
from
North
American
Regional
Reanalysis
(NARR)
supplement
studies
relationship
between
local
climate.
This
used
number
that
require
and/or
long
time
frames
The
also
evaluate
possible
by
leveraging
observed
values.
