Tech & design – Watershed

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Photo of Aviva with a city skyline behind

Meet Aviva: Building cloud infrastructure with ownership at Watershed

March 10, 2026

a flow chart depicting the process for building evals

Build evals you can sustain

December 19, 2025

a flow diagram showing the task level evaluation process end to end

A practical framework for LLM system evaluations for multi-step processes

December 19, 2025

An infographic that shows how spend based emissions factors work in CEDA

Scaling climate data like software

December 15, 2025

a cover image showing code and figma design files

Three months in code: A designer’s identity crisis

October 3, 2025

a chart depicting memory usage by row count and number of emissions variables

How Watershed uses DuckDB to reliably compute customer footprints

July 24, 2025

a graphic image with 1s and 0s

ATTACK: How To Grok New-To-You Code Via Testing

July 23, 2025

a diagram explaining how financial data is mapped

How we built ATLAS: a benchmark for spend classification in scope 3 carbon accounting

July 8, 2025

Watershed design team

Demystifying “climate tech”: Designing software at Watershed

September 5, 2023

Watershedders mingling at our company offsite

Working at Watershed

October 7, 2022

Hero illustration of a grid of cards with climate-related illustrations & charts

Creating a shareable Earth Day campaign in 1 week

May 6, 2022

The challenges of async work: Temporal @ Watershed

April 8, 2022

Illustration of a ship emoji, day one emoji, and rocket emoji

The Day 1 ship at Watershed

February 8, 2022

Non-incremental calculation illustration

Instant forecasting with incremental computation

February 3, 2022

screenshot of sanity interface

Evolving MDX publishing with a headless CMS

January 31, 2022

Product updates

Image says: "AI grounded in climate science, not just language patterns"

Announcing AI reporting for any ESG data

Calculation customization in Watershed

Introducing the 2026 measurement updates

December 9, 2025

An illustration of graphs with a serene blue and green tint

Q3 2025 product updates

November 4, 2025

Guides

an image of the CSRD experts who spoke at Watershed's webinar

Tactical advice on the CSRD

October 10, 2023

Illustration of coins in a field

SEC ESG fund rules: Everything you need to know

Updated: November 27, 2023

Sustainability AI

AI-accelerated reporting for California's SB 261

Announcing AI-accelerated reporting and Guaranteed Assurance program for California disclosure

October 8, 2025

A single material (dark wash jeans) is broken down to its sub-materials and processes. A line in orange higlights where the greatest emissions within those materials comes from.

Introducing AI-accelerated Product Footprints

September 23, 2025

image for a blog on AI sustainability and corporate AI emissions

The role of AI in corporate sustainability

October 9, 2025

Customer stories

Ares and Watershed customer story

How Ares Management is advancing decarbonization in its portfolio

February 4, 2025

Medallia and Watershed customer story

How Medallia built a sustainability program that influenced $30M+ in revenue with Watershed

January 23, 2025

AdventHealth and Watershed customer story

How AdventHealth is building a new blueprint for health care sustainability

January 21, 2025

Policy

tree canopy

May 2025 policy update

tree cover

April 2025 policy update

leaves

June 2025 policy update

Tech & design

Photo of Aviva with a city skyline behind

Meet Aviva: Building cloud infrastructure with ownership at Watershed

a flow chart depicting the process for building evals

Build evals you can sustain

December 19, 2025

a flow diagram showing the task level evaluation process end to end

A practical framework for LLM system evaluations for multi-step processes

December 19, 2025