June 26, 2025

Episode 2: 6 Types of Greenwashing Every Green-Tech Startup Should Avoid

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Episode summary

Katherine Keddie and Matt Jaworski, co-founders of Adopter, discuss greenwashing on Episode 2 of Scaling Green Tech, a podcast by Adopter.

The episode works through six types of greenwashing identified by Planet Tracker - green labeling, green lighting, green shifting, green rinsing, green crowding, and green hushing - using examples from oil and gas, banking, and consumer goods to illustrate each. Keddie and Jaworski argue that greenwashing is not always deliberate: early-stage companies can drift into it through overclaiming, poorly scaled impact accounting, or decisions made before rigorous sustainability measurement was in place. The episode makes the case that transparent, evidence-backed sustainability claims are a commercial necessity for scaling companies - not just a reputational one.

This episode is relevant for founders, communications leads, and investors at green tech and climate tech companies navigating sustainability claims, ESG reporting, investor due diligence, and evolving regulations around environmental marketing.

Key takeaways

  • Greenwashing does not have to be intentional. Companies can drift into it through early-stage overclaiming, impact accounting that doesn't scale, or decisions made before rigorous sustainability measurement was in place.
  • Planet Tracker identifies six types of greenwashing: green labeling (unsubstantiated claims), green lighting (spotlighting one initiative while the core business causes harm), green shifting (blaming consumers), green rinsing (quietly revising missed sustainability targets), green crowding (joining initiatives without taking action), and green hushing (deliberately under-reporting genuine progress).
  • Green hushing is the least visible but arguably the most damaging for the industry. When companies underreport real progress out of fear of backlash, it slows the sharing of ideas and makes collective targets harder to reach.
  • For investors, greenwashing is a direct risk signal. If a company's sustainability claims rely on a regulatory loophole, closing that loophole removes their competitive advantage entirely.
  • Build your sustainability story alongside your commercial case, not as a separate track. Programmes like Carbon13 require both from day one - an investor narrative and a carbon story, with ventures expected to demonstrate the potential to remove 10 million tonnes of CO2 per year per venture.
  • Exaggerating sustainability claims raises the question of what else is being exaggerated. Transparent impact accounting is both a trust signal and a commercial asset.
  • A specific, measurable sustainability story is essential for raising investment, acquiring customers, and keeping pace with tightening regulation - not a nice-to-have.

topics covered

  • Explaining greenwashing to a non-specialist audience
  • Why greenwashing is not always intentional
  • The six types of greenwashing - definitions and examples
  • Green labeling and unsubstantiated product claims
  • Green lighting - major banks and oil companies as examples
  • Green rinsing - the pattern of revised and missed sustainability targets
  • Green crowding - industry-wide plastic reduction initiatives as a case study
  • Green hushing - the risk of under-reporting genuine progress
  • Greenwashing as an investor risk signal
  • Carbon13's dual-narrative approach - investor case and carbon story built in parallel

Frequently asked questions

What is greenwashing?
What are the six types of greenwashing?
Why is green hushing a problem?
Why does greenwashing matter to investors?
How do you build a credible sustainability story from the start?
What is the difference between greenwashing and honest uncertainty?

About Scaling Green-Tech

Scaling Green-Tech by Adopter is a podcast for people shaping the future of climate technology - founders, investors, and ecosystem leaders at the forefront of adaptation and resilience solutions. As part of Adopter’s mission to accelerate the adoption of high-impact climate innovation, the podcast aims to amplify real voices and practical insights that can help others navigate the startup journey. These conversations go beyond the hype to bring real, unfiltered stories - the wins, the roadblocks and everything you need to know in between.

Read the full transcript here
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