# Blue Lines

> Blue Lines is a nonprofit founded to spread awareness of the climate impact of aviation condensation trails, and to speed up the implementation of contrail avoidance to avoid 1-2% of climate change.

- **Platform:** substack
- **Category:** Climate
- **Subscribers:** 1K
- **Last updated:** 2026-04-20
- **URL:** https://bluelines.substack.com
- **Profile:** https://newsletterinsights.io/newsletter/bluelines

## Recent Posts

- [✈️ Why the next 18 months for contrails really matter](https://bluelines.substack.com/p/why-the-next-18-months-for-contrails)