Mark Z. Jacobson

Steven Z. Jacobson
Mark Zachary Jacobson (born 1965) is a professor of civil and environmental engineering at Stanford University and director of its Atmosphere/Energy Program.wikipedia
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100% renewable energy

The Energy Imperative: 100 Percent Renewable Now100 percent renewable100% of its net power from renewables
In 2009 Jacobson and Mark Delucchi published a paper in Scientific American proposing that the world should move to 100% renewable energy, namely wind, water, and solar power, in all energy sectors. Jacobson advocates a speedy transition to 100% renewable energy, to limit climate change.
Mark Z. Jacobson, professor of civil and environmental engineering at Stanford University and director of its Atmosphere and Energy program, says that producing all new energy with wind power, solar power, and hydropower by 2030 is feasible, and that existing energy supply arrangements could be replaced by 2050.

The Solutions Project

Solutions Project
Jacobson co-founded the non-profit Solutions Project in 2011 along with Marco Krapels, Mark Ruffalo, and Josh Fox.
Founders of The Solutions Project include Stanford University professor Mark Z. Jacobson, renewable energy executive Marco Krapels, documentary filmmaker and activist Josh Fox and Hollywood actor and activist Mark Ruffalo.

Josh Fox

Jacobson co-founded the non-profit Solutions Project in 2011 along with Marco Krapels, Mark Ruffalo, and Josh Fox.
In 2011, Fox, along with engineering professor Mark Z. Jacobson and actor/activist Mark Ruffalo, founded The Solutions Project with the aim of moving the United States towards 100% renewable energy, including the use of wind power and solar power.

Wind power

wind energywindwind-power
Jacobson's analyses suggest that "nuclear power results in up to 25 times more carbon emissions per unit energy than wind energy".
Cristina Archer and Mark Z. Jacobson presented a "bottom-up" estimate, which unlike Kleidon's are based on actual measurements of wind speeds, and found that there is 1700 TW of wind power at an altitude of 100 metres over land and sea.

Variable renewable energy

nameplate capacityIntermittent energy sourceintermittent
Loftus' assessment of some decarbonization plans, including Jacobson's, concluded in 2014-2015, that "more detailed analyses realistically addressing the key constraints", specifically relating to "the costs associated with integration of large amounts of variable generation" are needed.
Mark A. Delucchi and Mark Z. Jacobson identify seven ways to design and operate variable renewable energy systems so that they will reliably satisfy electricity demand:

James Hansen

James E. HansenJim HansenDr. James Hansen
Responding to a commentary on his work in the Journal Environmental Science and Technology in 2013, Dr. James Hansen has characterized Jacobson's analysis on this topic of greenhouse gas emissions, as "lack(ing) credibility" and similarly regards Jacobson's other viewpoint of extra "opportunity-cost" emissions as "dubious".
This paper elicited a critical response to Kharecha and Hansen's analysis, from an international group of senior academic energy policy analysts, including Benjamin Sovacool, M.V. Ramana, Mark Z. Jacobson, and Mark Diesendorf.

Renewable energy debate

Renewable energy debate – HydroelectricityWind farm opposition
Mark Z. Jacobson says that there is no shortage of renewable energy and a "smart mix" of renewable energy sources can be used to reliably meet electricity demand:

Richard P. Turco

Like his PhD advisor Richard P. Turco, who notably coined the phrase "nuclear winter", Jacobson has taken a similar approach to calculating the hypothetical effects of nuclear wars on the climate but has further extended this into providing an analysis that intends to inform policy makers on which energy sources to support, as of 2009.

Nuclear power debate

debate about nuclear powerNuclear issuesNuclear optimism
According to Mark Z. Jacobson, the growth of nuclear power has "historically increased the ability of nations to obtain or enrich uranium for nuclear weapons, and a large-scale worldwide increase in nuclear energy facilities would exacerbate this problem, putting the world at greater risk of a nuclear war or terrorism catastrophe".

Renewable energy commercialization

Renewable energy policyRenewable energy commercialisationRenewable energy development
Mark Z. Jacobson, professor of civil and environmental engineering at Stanford University and director of its Atmosphere and Energy Program says producing all new energy with wind power, solar power, and hydropower by 2030 is feasible and existing energy supply arrangements could be replaced by 2050.

Environmental engineering

environmentalenvironmental engineerengineering
Mark Zachary Jacobson (born 1965) is a professor of civil and environmental engineering at Stanford University and director of its Atmosphere/Energy Program.

Stanford University

StanfordLeland Stanford Junior UniversityUniversity of Stanford
Mark Zachary Jacobson (born 1965) is a professor of civil and environmental engineering at Stanford University and director of its Atmosphere/Energy Program.

Air pollution

air qualityair pollutantemissions
Jacobson has developed computer models to study the effects of fossil fuel and biomass burning on air pollution, weather, and climate.

Weather

weather conditionsweather systemselements
Jacobson has developed computer models to study the effects of fossil fuel and biomass burning on air pollution, weather, and climate.

Climate

climaticclimatesaverage annual temperature
Jacobson has developed computer models to study the effects of fossil fuel and biomass burning on air pollution, weather, and climate.

Scientific American

Spektrum der WissenschaftThe Scientific AmericanPour la Science
In 2009 Jacobson and Mark Delucchi published a paper in Scientific American proposing that the world should move to 100% renewable energy, namely wind, water, and solar power, in all energy sectors.

Ken Caldeira

CaldeiraKenneth Caldeira
In 2017, Christopher Clack, Ken Caldeira, and 19 other researchers challenged the findings of a followup 2015 paper published in the Proceedings of the National Academy of Sciences.

Defamation

libelslanderdefamatory
In response, Jacobson filed, and later withdrew, a libel lawsuit against publisher PNAS, demanding retraction and $10 million in damages.

Black carbon

blackBlack carbon particlesblack smoke
Jacobson has published research on the role of black carbon and other aerosol chemical components on global and regional climates.

Global warming

climate changeglobal climate changeanthropogenic climate change
Jacobson advocates a speedy transition to 100% renewable energy, to limit climate change.

Mark Ruffalo

Bark Ruffalo
Jacobson co-founded the non-profit Solutions Project in 2011 along with Marco Krapels, Mark Ruffalo, and Josh Fox.

Advocacy

advocatepolitical advocacyadvocates
The Solutions Project, a political advocacy group, combines presentations of science, business, and culture in an effort to influence energy policy switches to the "100% renewable world".

Energy policy

energyenergy policiesenergy politics
The Solutions Project, a political advocacy group, combines presentations of science, business, and culture in an effort to influence energy policy switches to the "100% renewable world".