Calvin Thigpen
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calvinthigpen.com
Calvin Thigpen
@calvinthigpen.com
Transportation Policy and Planning Researcher | ex-Lime
It’s come so far in just a few years - the transformation is stark, but doesn’t seem to get as much attention as London or Paris.
November 2, 2025 at 1:49 PM
My old commute! Not the most pleasant, but I got in great shape!
October 30, 2025 at 11:09 PM
Reposted by Calvin Thigpen
On this new episode of Shift Key, @jessedjenkins.com and I talk to Dulcie Madden, the CEO of Dig Energy, which is building small rigs to build geothermal heat pumps for single-family homes and businesses.

Listen at Heatmap: heatmap.news/podcast/shif...

Or wherever: shows.acast.com/65bac3af0334...
The Startup Trying to Put Geothermal Heat Pumps in America’s Homes
Rob and Jesse hang with Dig Energy co-founder and CEO Dulcie Madden.
heatmap.news
October 22, 2025 at 9:04 PM
Reposted by Calvin Thigpen
NEW Economist/YouGov
Net favorability of Donald Trump [at the start of his second term | now] among U.S. adult citizens by age
18-29: +5 | -39
30-44: -6 | -14
45-64: +12 | -10
65+: -4 | -10
today.yougov.com/politics/art...
October 21, 2025 at 8:46 PM