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Madison Freeman Profile picture
Madison Freeman
@MadisonCFreeman
Mobilizing climate innovation @Stanford 🌎 formerly senior advisor @ClimateEnvoy, venture @EnergyImpact_, policy @CFR_org, & fellow @Energy_Leaders
Nov 21, 2019 • 9 tweets • 3 min read
I recently spent some time digging into cement & concrete emissions, and they are FASCINATING

(apologies to all my friends who’ve had to hear about this at length)
#climatetwitter #energytwitter I should mention that I used to be a little obsessed with cement and concrete — I grew up next to a cement plant and won my school’s science fair with a project on strengths of different types of concrete — but I didn’t realize just how big their impact is