# Posts — Blue Bottle Coffee Lab

## Brew Theory: Extraction, Strength, and Finding the Sweet Spot for Pour Over Coffee
*The “why” behind our brew method*

[Read More](https://blog.bluebottlecoffee.com/posts/brew-theory-extraction-strength-and-finding-the-sweet-spot-for-pour-over-coffee)

*Tom Purtill – June 21, 2023*

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## Guatemala El Injerto Pacamara Natural
*Discover our latest Exceedingly Rare coffee.*

[Read More](https://blog.bluebottlecoffee.com/posts/guatemala-el-injerto-pacamara-natural)

*Tom Purtill – October 3, 2022*

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## Oat Milk Now the Default in US Cafes
*Reducing our greenhouse gas emissions from dairy*

[Read More](https://blog.bluebottlecoffee.com/posts/oat-milk-by-default)

*Tom Purtill – May 2, 2022*

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## Sumatra Aceh Avatara Gayo COE #7
*Behind our latest Exceedingly Rare coffee*

[Read More](https://blog.bluebottlecoffee.com/posts/sumatracoe7)

*Tom Purtill – April 6, 2022*

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## Temescal Blend
*A 20th anniversary homage to our roots*

[Read More](https://blog.bluebottlecoffee.com/posts/temescal-blend)

*Tom Purtill – February 21, 2022*

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## The Origin Candle
*A collaboration with Cavern New York*

[Read More](https://blog.bluebottlecoffee.com/posts/the-origin-candle)

*Tom Purtill – January 31, 2022*

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## Exploring Tactility in Our Holiday Collection
*Cody Hudson on his process of creating connection*

[Read More](https://blog.bluebottlecoffee.com/posts/exploring-tactility-in-our-holiday-collection)

*Tom Purtill – November 19, 2021*

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## Akihiro Woodworks
*Hand-carved mugs from the forests of Japan*

[Read More](https://blog.bluebottlecoffee.com/posts/akihiro-woodworks-2021)

*Tom Purtill – November 17, 2021*

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## Promoting Beneficial Agriculture
*Our support for nature-based climate solutions*

[Read More](https://blog.bluebottlecoffee.com/posts/promoting-beneficial-agriculture)

*Tom Purtill – November 11, 2021*

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## Our 2021 Holiday Gift Guide
*For all your people, from the Coffee Novice to the Coffee Connoisseur*

[Read More](https://blog.bluebottlecoffee.com/posts/our-2021-holiday-gift-guide)

*Tom Purtill – November 10, 2021*

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## Our Holiday Collaboration with Cody Hudson
*Coffee and art guided by touch*

[Read More](https://blog.bluebottlecoffee.com/posts/chudsonholiday2021)

*Tom Purtill – November 8, 2021*

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## A Conversation With Poet Victoria Chang
*Contributor to our Fall Poetry Collection*

[Read More](https://blog.bluebottlecoffee.com/posts/a-conversation-with-poet-victoria-chang)

*Tom Purtill – October 3, 2021*

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## A Conversation with Poet Rachel Eliza Griffiths
*Contributor to our Fall Poetry Collection*

[Read More](https://blog.bluebottlecoffee.com/posts/a-conversation-with-poet-rachel-eliza-griffiths)

*Tom Purtill – October 3, 2021*

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## Tasting Towards the Future with WCR
*A cupping journal from our Green Coffee team*

[Read More](https://blog.bluebottlecoffee.com/posts/tasting-towards-the-future-with-wcr)

*Tom Purtill – September 30, 2021*

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## Carbon Neutral by 2024
*What we’ve built during the past year, and what’s next*

[Read More](https://blog.bluebottlecoffee.com/posts/carbon-neutral-by-2024)

*Tom Purtill – September 17, 2021*

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## Bring Your Own Cup
*Help us spark change: bring your own cup and enjoy 25¢ off*

[Read More](https://blog.bluebottlecoffee.com/posts/bring-your-own-cup)

*Tom Purtill – September 7, 2021*

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## Sustainable Coffee Sourcing at Blue Bottle
*How data helps drive our sustainable coffee sourcing*

[Read More](https://blog.bluebottlecoffee.com/posts/responsibly-sourced)

*Tom Purtill – September 1, 2021*

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## Blue Bottle Joins World Coffee Research Checkoff Program
*Securing the future of coffee*

[Read More](https://blog.bluebottlecoffee.com/posts/blue-bottle-joins-world-coffee-research-checkoff-program)

*Tom Purtill – September 1, 2021*

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## Past Blend—Our Second Collection with NIGO®

[Read More](https://blog.bluebottlecoffee.com/posts/past-blend)

*Tom Purtill – July 19, 2021*

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