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Browse all →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.
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1K
Above Median in Climate
substack
Climate
WeeklyOn pause
Last published Apr 16, 2026
Free
Category avg: $5/mo
84
newsletters in Climate
Above Median in Climate
out of 84 newslettersPublishing Frequency
Weekly
Inactive — last post 6 months ago
