Mark Z. Jacobson
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View article: Projections of when each of 150 countries May eliminate air pollution and carbon emissions from all energy
Projections of when each of 150 countries May eliminate air pollution and carbon emissions from all energy Open
Whether the world addresses global warming, air pollution, and energy insecurity in a timely manner depends largely on country transition rates to clean, renewable energy.
View article: Locating the missing absorption enhancement due to multi‒core black carbon aerosols
Locating the missing absorption enhancement due to multi‒core black carbon aerosols Open
Black carbon (BC) aerosols, with their strong light-absorbing ability, are major drivers of the global climate. In existing models, BC aerosols are simplified as a single core when determining radiative effects. Here, we found that 21% of …
View article: Using multi-satellite observations to constrain ammonia emissions and unlock their potential over open water
Using multi-satellite observations to constrain ammonia emissions and unlock their potential over open water Open
Reducing uncertainty in ammonia ([Formula: see text]) emissions, particularly those over open water, which have largely been unexplored, remains a key challenge. This study refines 2019 [Formula: see text] emissions over the south-central …
View article: Global Solar Energy Transition and End-of-Life PV Forecasts Through 2050
Global Solar Energy Transition and End-of-Life PV Forecasts Through 2050 Open
Achieving net-zero emissions by 2050 relies on the rapid expansion of solar energy, projected to dominate global electricity generation. However, the widespread deployment of solar panels introduces a critical challenge: managing end-of-li…
View article: Transitioning China to Renewable Energy: Economic, Health, and Environmental Benefits
Transitioning China to Renewable Energy: Economic, Health, and Environmental Benefits Open
Air pollution and global warming are urgent global problems, largely driven by the use of fossil fuels. It is important to consider methods of transitioning away from fossil fuels to clean, renewable energy. This study investigates the cos…
View article: Effects of firebricks for industrial process heat on the cost of matching all-sector energy demand with 100% wind–water–solar supply in 149 countries
Effects of firebricks for industrial process heat on the cost of matching all-sector energy demand with 100% wind–water–solar supply in 149 countries Open
Refractory bricks are bricks that can withstand high temperatures without damage to their structures. They have been used to insulate kilns, furnaces, and other hot enclosures for thousands of years. Firebricks are refractory bricks that c…
View article: India onshore wind energy atlas accounting for altitude and land use restrictions and co-located solar
India onshore wind energy atlas accounting for altitude and land use restrictions and co-located solar Open
Summary: India faces the simultaneous challenges of meeting rising energy demand and reducing carbon emissions. To address these, India must transition to renewable energy sources. This study provides high-resolution maps that quantify ava…
View article: Risk of subsequent SARS‐CoV‐2 infection among vaccinated employees with or without hybrid immunity acquired early in the Omicron‐predominant era of the COVID‐19 pandemic
Risk of subsequent SARS‐CoV‐2 infection among vaccinated employees with or without hybrid immunity acquired early in the Omicron‐predominant era of the COVID‐19 pandemic Open
Background Hybrid immunity, from COVID‐19 vaccination followed by SARS‐CoV‐2 infection acquired after its Omicron variant began predominating, has provided greater protection than vaccination alone against subsequent infection over 1–3 mon…
View article: Particulate Filters for Combustion Engines to Mitigate Global Warming. Estimating the Effects of a Highly Efficient but Underutilized Tool
Particulate Filters for Combustion Engines to Mitigate Global Warming. Estimating the Effects of a Highly Efficient but Underutilized Tool Open
Particulate filters are state-of-the-art and are used in internal combustion engines worldwide to eliminate carcinogenic nanoparticles. Health studies estimate that this prevents about one million premature deaths annually. What is less kn…
View article: The Impact of Mechanical & Plumbing Change Orders on USACE Construction Projects
The Impact of Mechanical & Plumbing Change Orders on USACE Construction Projects Open
This research studied contract change orders at five U.S. Army Corp of Engineers (USACE) Districts over the past twenty-one years with a combined value of $3,689,742,841. These districts represent a broad spectrum of federal contracting ac…
View article: An Assessment of Deploying Advanced Pumped Storage Hydropower Technology in U.S. Electricity Markets
An Assessment of Deploying Advanced Pumped Storage Hydropower Technology in U.S. Electricity Markets Open
Pumped storage hydropower (PSH) is a type of hydropower technology where energy can be stored and generated by moving water between two reservoirs of differing elevations. In addition to providing 97% of the total utility-scale hydropower …
View article: Impacts of green hydrogen for steel, ammonia, and long-distance transport on the cost of meeting electricity, heat, cold, and hydrogen demand in 145 countries running on 100% wind-water-solar
Impacts of green hydrogen for steel, ammonia, and long-distance transport on the cost of meeting electricity, heat, cold, and hydrogen demand in 145 countries running on 100% wind-water-solar Open
As the world moves to clean, renewable energy, questions arise as to how best to produce and use hydrogen. Here, we propose using hydrogen produced only by electrolysis with clean, renewable electricity (green hydrogen). We then test the i…
View article: T cell receptor repertoires associated with control and disease progression following Mycobacterium tuberculosis infection
T cell receptor repertoires associated with control and disease progression following Mycobacterium tuberculosis infection Open
Antigen-specific, MHC-restricted αβ T cells are necessary for protective immunity against Mycobacterium tuberculosis , but the ability to broadly study these responses has been limited. In the present study, we used single-cell and bulk T …
View article: What Problems Are We Trying to Solve?
What Problems Are We Trying to Solve? Open
Why do we want to transition all of our energy to clean, renewable energy? Why don’t we just continue burning fossil fuels until they run out, which may be in 50 to 150 years? For three major reasons. Namely, fossil fuels today cause massi…
View article: Solutions for Nonenergy Emissions
Solutions for Nonenergy Emissions Open
WWS technologies eliminate energy-related emissions. However, some emissions that affect human health and climate are not from energy sources but must still be reduced or eliminated in order to help solve the air pollution and climate prob…
View article: No Miracles Needed
No Miracles Needed Open
The world needs to turn away from fossil fuels and use clean, renewable sources of energy as soon as we can. Failure to do so will cause catastrophic climate damage sooner than you might think, leading to loss of biodiversity and economic …
View article: A Rapid Nucleic Acid Amplification Test–Based, Conditional Release-to-Work Policy for Health Care Personnel With Symptoms Consistent With COVID-19
A Rapid Nucleic Acid Amplification Test–Based, Conditional Release-to-Work Policy for Health Care Personnel With Symptoms Consistent With COVID-19 Open
Objective Most health care personnel (HCP) reporting symptoms consistent with COVID-19 illness are assessed by high-accuracy SARS-CoV-2 assays performed in clinical laboratories, but the results of such assays typically are not available u…
View article: Reply to comment on “How Green is Blue Hydrogen?”
Reply to comment on “How Green is Blue Hydrogen?” Open
In their comment on our 2021 paper “How Green is Blue Hydrogen,” Romano et al. purport to provide “a more balanced perspective on blue hydrogen, which is in line with current best available practices.” We strongly disagree. First, we categ…
View article: Renewable Energy’s Intermittency is Not a Showstopper
Renewable Energy’s Intermittency is Not a Showstopper Open
The intermittency of renewable energy has raised concerns over potential supply shortages, but technological solutions
View article: On the History and Future of 100% Renewable Energy Systems Research
On the History and Future of 100% Renewable Energy Systems Research Open
Research on 100% renewable energy systems is a relatively recent phenomenon. It was initiated in the mid-1970s, catalyzed by skyrocketing oil prices. Since the mid-2000s, it has quickly evolved into a prominent research field encompassing …