Distributed Solar: The Democratizaton of Energy
Blogroll
- The Keeling Curve: its history History of the Keeling Curve and Charles David Keeling
- Rasmus Bååth's Research Blog Bayesian statistics and data analysis
- Gabriel's staircase
- Karl Broman
- All about ENSO, and lunar tides (Paul Pukite) Historically, ENSO has been explained in terms of winds. But recently — and Dr Paul Pukite has insisted upon this for a long time — the oscillation of ENSO has been explained as a large-scale slosh due to lunar tidal forcing.
- Ted Dunning
- Dr James Spall's SPSA
- The Alliance for Securing Democracy dashboard
- The Plastic Pick-Up: Discovering new sources of marine plastic pollution
- Los Alamos Center for Bayesian Methods
- The Mermaid's Tale A conversation about biological complexity and evolution, and the societal aspects of science
- "Consider a Flat Pond" Invited talk introducing systems thinking, by Jan Galkowski, at First Parish in Needham, UU, via Zoom
- James' Empty Blog
- Mike Bloomberg, 2020 He can get progress on climate done, has the means and experts to counter the Trump and Republican digital disinformation machine, and has the experience, knowledge, and depth of experience to achieve and unify.
- Musings on Quantitative Paleoecology Quantitative methods and palaeoenvironments.
- Why "naive Bayes" is not Bayesian Explains why the so-called “naive Bayes” classifier is not Bayesian. The setup is okay, but estimating probabilities by doing relative frequencies instead of using Dirichlet conjugate priors or integration strays from The Path.
- Quotes by Nikola Tesla Quotes by Nikola Tesla, including some of others he greatly liked.
- In Monte Carlo We Trust The statistics blog of Matt Asher, actually called the “Probability and Statistics Blog”, but his subtitle is much more appealing. Asher has a Manifesto at http://www.statisticsblog.com/manifesto/.
- Peter Congdon's Bayesian statistical modeling Peter Congdon’s collection of links pertaining to his several books on Bayesian modeling
- Mrooijer's Numbers R 4Us
- Risk and Well-Being
- Why It’s So Freaking Hard To Make A Good COVID-19 Model Five Thirty Eight’s take on why pandemic modeling is so difficult
- Survey Methodology, Prof Ron Fricker http://faculty.nps.edu/rdfricke/
- Leverhulme Centre for Climate Change Mitigation
- AP Statistics: Sampling, by Michael Porinchak Twin City Schools
- Hermann Scheer Hermann Scheer was a visionary, a major guy, who thought deep thoughts about energy, and its implications for humanity’s relationship with physical reality
- Nadler Strategy, LLC, on sustainability Thinking about business, efficient and effective management, and business value
- Healthy Home Healthy Planet
- Fear and Loathing in Data Science Cory Lesmeister’s savage journey to the heart of Big Data
- "Impacts of Green New Deal energy plans on grid stability, costs, jobs, health, and climate in 143 countries" (Jacobson, Delucchi, Cameron, et al) Global warming, air pollution, and energy insecurity are three of the greatest problems facing humanity. To address these problems, we develop Green New Deal energy roadmaps for 143 countries.
- John Kruschke's "Dong Bayesian data analysis" blog Expanding and enhancing John’s book of same title (now in second edition!)
- Lenny Smith's CHAOS: A VERY SHORT INTRODUCTION This is a PDF version of Lenny Smith’s book of the same title, also available from Amazon.com
- What If
- Simon Wood's must-read paper on dynamic modeling of complex systems I highlighted Professor Wood’s paper in https://hypergeometric.wordpress.com/2014/12/26/struggling-with-problems-already-attacked/
- Ives and Dakos techniques for regime changes in series
- Beautiful Weeds of New York City
- Team Andrew Weinberg Walking September 8th for the Jimmy Fund!
- Pat's blog While it is described as “The mathematical (and other) thoughts of a (now retired) math teacher”, this is false humility, as it chronicles the present and past life and times of mathematicians in their context. Recommended.
- Higgs from AIR describing NAO and EA Stephanie Higgs from AIR Worldwide gives a nice description of NAO and EA in the context of discussing “The Geographic Impact of Climate Signals on European Winter Storms”
- Earle Wilson
- All about models
- All about Sankey diagrams
- John Cook's reasons to use Bayesian inference
- Leadership lessons from Lao Tzu
- American Statistical Association
- Earth Family Beta MIchael Osborne’s blog on Science and the like
- OOI Data Nuggets OOI Ocean Data Lab: The Data Nuggets
- Logistic curves in market disruption From DollarsPerBBL, about logistic or S-curves as models of product take-up rather than exponentials, with notes on EVs
- BioPython A collection of Python tools for quantitative Biology
- "Talking Politics" podcast David Runciman, Helen Thompson
climate change
- Ice and Snow
- Climate Change Denying Organizations
- The beach boondoggle Prof Rob Young on how owners of beach property are socializing their risks at costs to all of us, not the least being it seems coastal damage is less than it actually is
- CLIMATE ADAM Previously from the Science news staff at the podcast of Nature (“Nature Podcast”), the journal, now on YouTube, encouraging climate action through climate comedy.
- And Then There's Physics
- The Sunlight Economy
- US$165/tonne CO2: Sweden Sweden has a Carbon Dioxide tax of US$165 per tonne at present. CO2 tax was imposed in 1991. GDP has grown 60%.
- Energy payback period for solar panels Considering everything, how long do solar panels have to operate to offset the energy used to produce them?
- History of discovering Global Warming From the American Institute of Physics.
- Exxon-Mobil statement on UNFCCC COP21
- MIT's Climate Primer
- Climate change: Evidence and causes A project of the UK Royal Society: (1) Answers to key questions, (2) evidence and causes, and (3) a short guide to climate science
- Jacobson WWS literature index
- Non-linear feedbacks in climate (discussion of Bloch-Johnson, Pierrehumbert, Abbot paper) Discussion of http://onlinelibrary.wiley.com/wol1/doi/10.1002/2015GL064240/abstract
- “Ways to [try to] slow the Solar Century''
- Tuft's Professor Kenneth Lang on the physical chemistry of the Greenhouse Effect
- Sea Change Boston
- Eli on the spectroscopic basis of atmospheric radiation physical chemistry
- Thriving on Low Carbon
- Klaus Lackner (ASU), Silicon Kingdom Holdings (SKH) Capturing CO2 from air at scale
- Rabett Run Incisive analysis of climate science versus deliberate distraction
- The Scientific Case for Modern Human-caused Global Warming
- NOAA Annual Greenhouse Gas Index report The annual assessment by the National Oceanic and Atmospheric Administration of the radiative forcing from constituent atmospheric greenhouse gases
- Ellenbogen: There is no Such Thing as Wind Turbine Syndrome
- On Thomas Edison and Solar Electric Power
- Isaac Held's blog In the spirit of Ray Pierrehumbert’s “big ideas come from small models” in his textbook, PRINCIPLES OF PLANETARY CLIMATE, Dr Held presents quantitative essays regarding one feature or another of the Earth’s climate and weather system.
- Wind sled Wind sled: A zero carbon way of exploring ice sheets
- James Powell on sampling the climate consensus
- Sir David King David King’s perspective on climate, and the next thousands of years for humanity
- Solar Gardens Community Power
- "Lessons of the Little Ice Age" (Farber) From Dan Farber, at LEGAL PLANET
- The Keeling Curve The first, and one of the best programs for creating a spatially significant long term time series of atmospheric concentrations of CO2. Started amongst great obstacles by one, smart determined guy, Charles David Keeling.
- Anti—Anti-#ClimateEmergency Whether to declare a climate emergency is debatable. But some critics have gone way overboard.
- Climate Change Reports By John and Mel Harte
- “The discovery of global warming'' (American Institute of Physics)
- James Hansen and granddaughter Sophie on moving forward with progress on climate
- Mathematics and Climate Research Network The Mathematics and Climate Research Network (MCRN) engages mathematicians to collaborating on the cryosphere, conceptual model validation, data assimilation, the electric grid, food systems, nonsmooth systems, paleoclimate, resilience, tipping points.
- Bloomberg interactive graph on “What's warming the world''
- Climate Communication Hassol, Somerville, Melillo, and Hussin site communicating climate to the public
- HotWhopper: It's excellent. Global warming and climate change. Eavesdropping on the deniosphere, its weird pseudo-science and crazy conspiracy whoppers.
- Model state level energy policy for New Englad Bob Massie’s proposed energy policy for Massachusetts, an admirable model for energy policy anywhere in New England
- Reanalyses.org
- Professor Robert Strom's compendium of resources on climate change Truly excellent
- Climate impacts on retail and supply chains
- The Carbon Cycle The Carbon Cycle, monitored by The Carbon Project
- An open letter to Steve Levitt
- Dessler's 6 minute Greenhouse Effect video
- "Betting strategies on fluctuations in the transient response of greenhouse warming" By Risbey, Lewandowsky, Hunter, Monselesan: Betting against climate change on durations of 15+ years is no longer a rational proposition.
- Agendaists Eli Rabett’s coining of a phrase
- `The unchained goddess' 1958 Bell Telephone Science Hour broadcast regarding, among other things, climate change.
Archives
Jan Galkowski
Category Archives: #youthvgov
We are living through the closing door of climate targets
Where we are now, and what we have to do to limit to +2C: And, as far as +1.5C goes, it’s gone. Or at least that target can no longer met without invoking the fantasyland of negative emissions. There isn’t … Continue reading
Losing sight of the big picture
When chasing political solutions to mitigating climate disruption, it’s long been tempting to go after relatively easy quick wins in the short term rather than facing up to the real problem: Emissions of Carbon Dioxide. So, in a world where … Continue reading
Posted in #youthvgov, air source heat pump, alternatives to the Green New Deal, American Solar Energy Society, an ignorant American public, an uncaring American public, Blackbody radiation, Bloomberg Green, Bloomberg New Energy Finance, bridge to somewhere, Buckminster Fuller, carbon dioxide, children as political casualties, climate economics, climate emergency, climate hawk, corporate litigation on damage from fossil fuel emissions, Cult of Carbon, decentralized electric power generation, development as anti-ecology, ecopragmatism, electric vehicles, electrical energy engineering, fossil fuel divestment, fossil fuel infrastructure, fossil fuels, Glen Peters, grid defection, heat pump, Hermann Scheer, Humans have a lot to answer for, investment in wind and solar energy, James Hansen, Juliana v United States, keep fossil fuels in ground, Ken Caldeira, Mark Jacobson, mitigating climate disruption, On being Carbon Dioxide, organizational failures, Our Children's Trust, photovoltaics, Ray Pierrehumbert, solar democracy, solar domination, solar power, solar revolution, stranded assets, Susan Solomon, The Demon Haunted World, the green century, the tragedy of our present civilization, utility company death spiral, wind energy, wind power, wishful environmentalism
Tagged climate disruption, lack of climate ambition, short-lived climate pollutants
Leave a comment
Future liability for fossil fuel energy producers and conveyors
While I don’t entirely have the optimism which Professor Pearce expresses for the ability of climate models to be as specific as he describes, I am very optimistic that real time remote sensing resources, namely satellites, will get good enough … Continue reading
Posted in #youthvgov, an ignorant American public, being carbon dioxide, Bloomberg New Energy Finance, bridge to somewhere, carbon dioxide, climate disruption, climate economics, climate emergency, coastal investment risks, corporate litigation on damage from fossil fuel emissions, corporate responsibility, global warming, risk, Risky Business
1 Comment
Jeremy Grantham credits Greta Thunberg and XR for pressuring governments to finally do something to cut emissions
The Energy Transition Show with Chris Nelder has recently become my favorite podcast. I eagerly await each new episode and, as a paying subscriber, I enjoy the delightfully long and geeky assessments, analyses, and opinions from really stellar guests. There … Continue reading
Greta Thunberg, in July 2021
(The above was changed from the YouTube video on 3rd July 2021 because the YouTube video was cracked or altered to switch to an Austrian leader or politician speaking nonsense instead of the last part of Ms Thunberg’s address.) (And … Continue reading
Posted in #climatestrike, #sunrise, #youthvgov, being carbon dioxide, Bloomberg Green, Bloomberg New Energy Finance, bridge to nowhere, carbon dioxide, Carbon Tax, children as political casualties, climate activism, Climate Adam, climate disruption, climate economics, climate emergency, extreme events, fossil fuels, global warming, Green New Deal, greenhouse gases, Greta Thunberg
2 Comments
Carbon Dioxide reaches levels not recorded in 4 million years. Connecticut Republicans are guilty of child abuse.
And Connecticut Republican Senate Major Leader Kevin Kelly, anytime anyone emits any greenhouse gas, they land a punch in the face of some grandchild alive today. They do that by burning those gallons of gasoline whose price you so want … Continue reading
Discordant Harmonies: Goals for a Holiday in Retirement
Claire and I are lucky enough to have won “Escape to the Cape” at the annual auction of our congregation, First Parish in Needham, courtesy of Muriel and Tom Gehman. We’ll be Tesla-ing down to Hyannisport this week to indulge. … Continue reading
‘It begins with attitude’, and about an understated victory
Bill Nye’s Climate Meltdown, introducing Professor Mark Z Jacobson of Stanford University. And Climate Adam reviews a climate action breakthrough:
Posted in #youthvgov, Bill Nye, Bloomberg Green, Bloomberg New Energy Finance, carbon dioxide, Carbon Worshipers, clean disruption, CleanTechnica, climate activism, Climate Adam, climate change, climate disruption, climate economics, climate education, climate emergency, climate mitigation, climate policy, ClimateAdam, ecomodernism, fossil fuel divestment, fossil fuels, global blinding, global warming, global weirding, Mark Jacobson
1 Comment
Where We Be
From David E Rovella, Managing Editor, Bloomberg News: The past year has witnessed millions die in a pandemic, a global economic downturn and political ferment fueled by extremists. But none of those things mean the biggest antagonist of the planet’s … Continue reading
Posted in #climatestrike, #youthvgov, an ignorant American public, an uncaring American public, Bill McKibben, Bloomberg Green, bridge to somewhere, carbon dioxide, Carbon Worshipers, climate disruption, Cult of Carbon, decentralized electric power generation, ecomodernism, ecopragmatism, geophysics, global warming, zero carbon
Leave a comment
Book: 100% Clean, Renewable Energy and Storage for Everything
Professor Mark Z Jacobson‘s latest marvelous book, 100% Clean, Renewable Energy and Storage for Everything, summarized in a great one hour interview.
Posted in #youthvgov, an uncaring American public, Ørsted, being carbon dioxide, Benji Backer, Bloomberg New Energy Finance, BNEF, bridge to somewhere, Buckminster Fuller, clean disruption, CleanTechnica, climate activism, climate business, climate economics, climate education, climate hawk, climate mitigation, climate policy, control theory, decentralized electric power generation, distributed generation, ecomodernism, ecopragmatism, emergent organization, fossil fuel divestment, Green New Deal, grid defection, investing, investment in wind and solar energy, investments, Karl Ragabo, keep fossil fuels in ground, leaving fossil fuels in the ground, local generation, local self reliance, Mark Jacobson, Michael Osborne, National Renewable Energy Laboratory, Sankey diagram, solar democracy, solar domination, solar energy, solar power, solar revolution, stranded assets, the energy of the people, the green century, the value of financial assets, Tony Seba, wind energy, wind power, zero carbon
1 Comment
The U.S. Constitution is a remarkable construct …
… well suited for the early 19th century. Updated 2020-12-05 The New York Times reports today that the United States Supreme Court … late Wednesday night barred restrictions on religious services in New York that Gov. Andrew M. Cuomo had … Continue reading
Codium fragile for Saturday, 21st November 2020
Great Web sites here, all about truly preserving Walpole for the long term, rather than in pursuit of myopic interests: http://walpolepreservationalliance.org http://walpole-preservation-alliance.org http://walpolepreservationalliance.net http://walpolepreservationalliance.com http://walpolepreservationalliance.co http://walpolepreservationalliance.info http://walpolepreservationalliance.earth How Norfolk County preserves forest. Choices. Walpole Preservation Alliance
Posted in #climatestrike, #sunrise, #youthvgov, agrivoltaics, American Solar Energy Society, an ignorant American public, an uncaring American public, anti-science, being carbon dioxide, Bloomberg New Energy Finance, bollocks, bridge to nowhere, bridge to somewhere, Carbon Cycle, carbon dioxide, carbon dioxide sequestration, Carbon Tax, clean disruption, CleanTechnica, climate activism, climate change, climate disruption, climate economics, climate justice, climate mitigation, climate nightmares, climate policy, Commonwealth of Massachusetts, Cult of Carbon, decentralized electric power generation, development as anti-ecology, distributed generation, DNS, ecomodernism, ecopragmatism, electricity markets, emissions, evidence, fossil fuel divestment, global warming, Green Tea Coalition, Greta Thunberg, Hermann Scheer, Humans have a lot to answer for, indigenous peoples, Internet, investment in wind and solar energy, Juliana v United States, keep fossil fuels in ground, leaving fossil fuels in the ground, local generation, local self reliance, luckwarmers, mitigating climate disruption, On being Carbon Dioxide, Our Children's Trust, Principles of Planetary Climate, public welfare, regulatory capture, risk, solar democracy, solar domination, solar energy, solar power, solar revolution, stranded assets, the green century, the right to be and act stupid, the tragedy of our present civilization, the value of financial assets, Tony Seba, tragedy of the horizon, utility company death spiral, wind energy, wishful environmentalism, zero carbon
Tagged Walpole Preservation Alliance
Leave a comment
“Climate Hope” from Climate Adam
Rainmaker, a little faith for hire Rainmaker, the house is on fire Rainmaker, take everything you have Sometimes folks need to believe in something so bad, so bad, so bad They’ll hire a rainmaker Springsteen, 2020 (h/t Andrew Gottlieb, Association … Continue reading
Posted in #youthvgov, bridge to somewhere, climate activism, Climate Adam, climate business, climate change, climate disruption, climate education, climate grief, climate hawk, Climate Hope, climate mitigation, climate nightmares, climate policy, climate science, ClimateAdam, Debbie Dooley, distributed generation, Eaarth, ecocapitalism, Ecology Action, ecomodernism, ecopragmatism, Emily Shuckburgh, global warming, Green Tea Coalition, Karl Ragabo, Mark Carney, Mark Jacobson, solar democracy, solar domination, solar energy, solar power, solar revolution, the green century, Tony Seba, wind energy, wind power, zero carbon
Leave a comment
Wake Up
Posted in #youthvgov, Bloomberg New Energy Finance, bridge to somewhere, Buckminster Fuller, climate activism, climate business, climate change, climate disruption, climate economics, climate grief, climate justice, climate mitigation, climate nightmares, climate policy, climate science, coastal communities, coastal investment risks, ecocapitalism, ecological disruption, ecological services, Ecology Action, ecomodernism, ecopragmatism, ecopragmatist, fossil fuel divestment, global warming, Greta Thunberg, Humans have a lot to answer for, investment in wind and solar energy, James Hansen, John Holdren, Joseph Schumpeter, Juliana v United States, keep fossil fuels in ground, leaving fossil fuels in the ground, liberal climate deniers, solar democracy, solar domination, solar energy, solar power, solar revolution, Talk Solar, the energy of the people, the green century, Tony Seba, wind energy, wind power, zero carbon
Leave a comment
“A Matter of Degrees”
“A Matter of Degrees” is a new climate change mitigation podcast, created and produced by Drs Katharine Wilkinson and Leah Stokes. The first episode, “Give up your climate guilt“, is auspicious. https://a-matter-of-degrees.simplecast.com/episodes/give-up-your-climate-guilt Check it out. Fair disclosure: I have been … Continue reading
What we’ve done and do to ourselves
Who do you think carries most of the burden for fixing the problem? Action. “We have work to do.” (Bill Nye)
Ted Rall’s “Left, Center and Right: We’re All in Denial About Climate Change”
(Friend, fellow congregant, and committee chair Will Rico of First Parish in Needham sent me this highly appropriate link.) Ted Rall argues at Counterpunch that: Those who deny that climate change is real are engaging in what psychologists call “simple … Continue reading
Posted in #climatestrike, #sunrise, #youthvgov, adaptation, agroecology, an uncaring American public, being carbon dioxide, Bill Maher, bridge to somewhere, Buckminster Fuller, capitalism, carbon dioxide, Carbon Worshipers, civilization, clean disruption, climate activism, climate business, climate change, climate disruption, climate economics, climate education, climate grief, climate mitigation, climate policy, consumption, Cult of Carbon, development as anti-ecology, distributed generation, ecological disruption, ecological services, Ecology Action, ecomodernism, ecopragmatism, energy efficiency, First Parish in Needham, FiveThirtyEight, fossil fuel divestment, global blinding, Global Carbon Project, global warming, global weirding, greenhouse gases, greenwashing, Greta Thunberg, investment in wind and solar energy, IPCC, keep fossil fuels in ground, life cycle sustainability analysis, solar democracy, solar domination, solar energy, solar power, solar revolution, zero carbon
1 Comment
“How dare you pretend …!”
“Change is coming, whether you like it or not.” Update, 2019-09-24 Some reaction, including some from the fiendishly uncivilized. As Ms Thunberg says, this means this movement is having an impact, and Knowles and 45 are afraid.
Posted in #climatestrike, #sunrise, #youthvgov, American Association for the Advancement of Science, an ignorant American public, an uncaring American public, carbon dioxide, Carbon Worshipers, climate disruption, climate economics, climate grief, ecological disruption, Ecology Action, global warming
Leave a comment
Everything counts. Growth must end.
Keep fossil fuels in the ground. Fund restoration of natural processes. Protect natural systems that are left. Stop development of new land tracts, including new lots and subdivisions for housing and commercial development, especially expensive housing. A history of degrowth
Posted in #climatestrike, #sunrise, #youthvgov, afforestation, an ignorant American public, an uncaring American public, being carbon dioxide, bridge to nowhere, clean disruption, climate disruption, décroissance, degrowth, destructive economic development, development as anti-ecology, ecological disruption, ecomodernism, ecopragmatism, fragmentation of ecosystems, global warming, global weirding, keep fossil fuels in ground
Leave a comment
Alex Steffen on The Climate Strike
Excerpted from The Nearly Now at Medium, by Alex Steffen. “You’re right to strike; you’re right to march; you’re right to feel your fear and rage and longing for a better world. You are the victims of a terrible intergenerational … Continue reading
Posted in #climatestrike, #sunrise, #youthvgov, Alex Steffen, American Solar Energy Society, an ignorant American public, an uncaring American public, Arctic amplification, Boston Ethical Society, bridge to somewhere, carbon dioxide, climate disruption, climate justice, climate mitigation, ClimateAdam, Ecology Action, global blinding, global warming, global weirding, Greta Thunberg, insurance, Jennifer Francis, Juliana v United States, life cycle sustainability analysis, On being Carbon Dioxide, photovoltaics, science, solar democracy, solar domination, solar energy, solar power, solar revolution, sustainability, sustainable landscaping, wind energy, wind power, zero carbon
Leave a comment
The state of the science: “Heißzeit” … where we are heading.
If you do not change direction, you may end up where you are heading. ― Lao Tzu Professor Johan Rockström, again. Yeah, and that makes me feel, this way … (Ricardo Maranhão with Indiara Sfair) (Indiara Sfair and Joe Flip) … Continue reading
Posted in #youthvgov, adaptation, alternatives to the Green New Deal, Amory Lovins, an uncaring American public, Anthropocene, Bloomberg New Energy Finance, bridge to somewhere, Buckminster Fuller, Canettes Blues Band, carbon dioxide, climate business, climate disruption, climate economics, climate justice, climate policy, corporate citizenship, corporate litigation on damage from fossil fuel emissions, corporate responsibility, Cult of Carbon, Daniel Kahneman, ecocapitalism, ecomodernism, ecopragmatism, environmental law, fossil fuel divestment, global warming, green tech, greenhouse gases, Hermann Scheer, Humans have a lot to answer for, Hyper Anthropocene, Indiara Sfair, Mark Jacobson, Nature's Trust, science, solar democracy, solar domination, solar energy, solar power, solar revolution, Spaceship Earth, the green century, the tragedy of our present civilization, the value of financial assets, zero carbon
Leave a comment
#AllEyesOnJuliana👀
Juliana v. US June 4 Hearing at Ninth Circuit The constitutional youth climate lawsuit, Juliana v. United States, will be heard before the Ninth Circuit Court of Appeals in Portland, Oregon. Let’s make history and have this be the most … Continue reading
Posted in #youthvgov, Anthropocene, carbon dioxide, children as political casualties, climate, climate activism, climate change, climate education, climate justice, First Parish in Needham, Global Carbon Project, global warming, James Hansen, Juliana v United States, Kelsey Juliana, Levi Draheim, Mary C Wood, Our Children's Trust, UNFCCC, Unitarian Universalism, UU Ministry for Earth, Xiuhtezcatl, ``The tide is risin'/And so are we''
Leave a comment
ecoquant
