Brightway backwards
A way-too-detailed look at how Brightway actually works
Spatial Assessment
Weblog of Chris Mutel
Latest posts
You just got an ecoinvent license. Now what?
Turning ecoinvent data files into usable matrices
Matrix-based Methods for Regionalized Life Cycle Assessment
My methodology paper on regionalized LCA is available as a preprint
I am joining the ecoinvent association
Why I am joining the ecoinvent association, and what I hope to accomplish
How to Find Out If You Have A Chemical Imbalance
Finding out why Monte Carlo results are so much higher
What if we actually cared about climate change?
Some hopefully constructive proposals for change
The allure of simple system models
Simple is better than complex. Complex is better than complicated
Modular BONSAI components
A preliminary layout for modular BONSAI components
Governance structure of BONSAI
The current structure, and how we can improve it by being true to our values
What would a modern Industrial Ecology database look like?
What we do differently if we could start over
Efficiently calculating inventory flows
Working directly with the technosphere matrix to speed up calculations for certain, well-defined use cases
Diagonals are a social construct
What number should be on the diagonal, and why it matters
Water imbalances, or the need for consistency in environmental flows
How Brightway2 got water flows in ecoinvent 3 very, very wrong
Why I am running for the BONSAI board
How I think BONSAI can make a concrete, practical difference for industrial ecology
A data format for regionalized LCIA methods
The why and how of a new format for regionalized LCIA methods
Slicing, dicing, & general fun
A few demos of how useful it is to have a scriptable LCA framework
Make LCA Great Again
A plan for a common community database and model(s)
Making LCA calculations even faster
Two recent changes have improved the speed of LCA calculations
Running bw2calc as a web service
A minimal implementation of a standalone bw2calc web service
Brightway development diary #1
Some random thoughts as I work on the next version of Brightway
What's next for Brightway?
Plans for the next iteration of the Brightway LCA software framework
日本での2回のプレゼンテーション
Two annotated presentations from ecobalance 2016 in Kyoto.
Defining inventory models in Brightway2
Thinking about how to define inventory models in Brightway2 leads directly to questions about the goals and struggles of Brightway2 itself.
2015 advanced LCA seminar
The 2015 advanced LCA seminar
Presentations galore - 2015 edition
Annotated presentation slides from ISIE (Guildford), LCM (Bordeaux), and LCA (Vancouver)
Modeling electricity losses in ecoinvent
Modeling and propagating electricity losses in ecoinvent
Two potential points of confusion in LCA math
Two questions the LCA community needs to answer together
Multioutput processes in LCA
Multioutput processes can be used in LCA in limited circumstances.
Making LCA calculations faster
Making LCA calculations in Brightway2 faster
Ecoinvent 3 in Brightway2
Ecoinvent 3 is now usable in Brightway2
Comment on "GIS-Based Regionalization of LCA" by Liu et al (2014)
Provocative titles do not a paper make.
Some ideas on an open source version of the ecoinvent software
An open source version of the software needed to transform unit process master datasets to allocated, single output unit process datasets could increase confidence and transparency of ecoinvent version three.
What happens with a non-unitary production amount in LCA?
Non-unitary production amounts must be treated carefully, as they can be confusing.
Some thoughts on Ecoinvent geographies
Some thoughts on geogrpahies and geographical data in Ecoinvent version 3
New geospatial utility: pandarus
A new geospatial utility for matching inventory and impact assessment spatial scales
The road to 1.0
There is a clear path to version 1.0 of Brightway2.
LCA conference Orlando 2013
Posters and presentations given at LCA 2013 in Orlando, Florida
Brightway2: Release 0.10
Version 0.10 of Brightway2 brings a number of improvements and new features.
LCA discussion forum 53: Uncertainty
LCA discussion forum 53 was held on September 13, 2013, and focused on uncertainty.
New statistical library: stats_arrays
A new statistical framework for Brightway2.
Brightway2: Including weighting and normalization
A new example ipython notebook shows how to include weighting and normalization in Brightway2
Brightway2: Improving experience on Windows
We're trying to improve the experience on Windows, including a new feature to easily share error logs
Talk at SETAC Glasgow on regionalization
An annotated set of slides from my SETAC 2013 presentation in Glasgow
Adventures in LCA user experience, part 1
A curious tip for Simapro users
Brightway2: LCA calculations are now saved, and report server is online
LCA calculations in Brightway2 are now saved, opening many new possibilities.
New feature: Brightway2 test coverage
There is now an online report of Brightway2 package test coverage.
Why does the ecoinvent database love the lognormal distribution?
The reason that the lognormal is the predominant uncertainty distribution in the ecoinvent database.
Correlation among impact assessment scores for ecoinvent 2.2
Using Brightway2 to calculate correlation of impact assessment scores for ecoinvent 2.2
Brightway2 - the technical motivation
The technical reasons for the development of Brightway2
Visualizing Ecoinvent 2.2
Visualizing the technosphere matrix of Ecoinvent using Brightway2 and Gephi