# Grey to Green Conference

- Dates: 14 September 2026
- Location: Costa Mesa, CA, Costa Mesa, United States
- Organiser: Green Roofs for Healthy Cities
- Industry: Energy & Cleantech

## About

The Grey to Green Conference is a one-day lunch and learn event focused on exploring green infrastructure science, economic valuation, asset management, public policy, technologies, and best practices for design, installation, and maintenance. It is for policy debate participants and for an ecosystem of companies, advocates, educators, investors, and decision-makers.

## Who attends

Our goal is to build and grow a dynamic green infrastructure ecosystem comprised of companies, advocates, educators, investors and decision-makers who want to participate in moving the green infrastructure agenda forward to build sustainable and resilient places.

_As described by the organiser._

## Official links

- [Official website](https://greytogreenconference.org/)

## Topics

- Building & Construction

## Sponsors and partners

- Green Infrastructure Foundation

## Where to stay

- **Best Western Plus Newport Mesa Inn**: 730 m from the venue, 2642 Newport Boulevard, Costa Mesa, 92627
  - [Hotel website](https://www.bestwestern.com/en_US/book/hotels-in-costa-mesa/best-western-plus-newport-mesa-inn/propertyCode.05417.html)
  - Phone: +1 949-650-3020
- **Motel 6 Costa Mesa, CA - Newport Beach**: motel, 1.2 km from the venue, 2274 Newport Boulevard, Costa Mesa, 92627
- **Days Inn Costa Mesa-Newport Beach**: 1.7 km from the venue, 2100 Newport Boulevard, Costa Mesa, 92627
- **Sunny Sands Inn**: motel, 1.8 km from the venue, 452 Victoria Street, Costa Mesa, 92627
- **Holiday Inn Express Costa Mesa**: 1.8 km from the venue, 2070 Newport Boulevard, Costa Mesa, 92627
- **Travelodge Orange County Airport/ Costa Mesa**: 1.9 km from the venue, 1400 Bristol Street, Costa Mesa, 92626
  - [Hotel website](https://www.wyndhamhotels.com/travelodge/costa-mesa-california/travelodge-orange-county-airport-costa-mesa/overview)
  - Phone: +1 714-486-0905
- **Cozy Inn**: motel, 1.9 km from the venue, Costa Mesa, 92627

## What people are saying

Official hashtag: #greytogreenchicago

- [Grey to Green Conference](https://www.youtube.com/watch?v=DQ0Qh5LYkAQ)
- [Grey to Green Conference: Nature Knows No Borders](https://www.youtube.com/watch?v=a8dxotOdNJg)
  - Denver Grey to Green Conference - August 15, 2025Nature Knows No Borders: Biophilic Design Case Studies from Around the WorldAlexandra Bowen, Founder, Biophi...

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Source: https://www.luminik.io/events/grey-to-green-conference/