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Juan-Pablo Velez

@jpv.switch.box

310 followers 257 following 364 posts

Executive director of think tank @switch.box. Climate policy and data science. Mostly here to ask questions!

Posts Replies Media

Juan-Pablo Velez @jpv.switch.box · 28/04/2025

Speaking of failings of blue state governance: just helped a struggling mom get her stroller down subway stairs, she was dangerously close to losing control. Elevator was out. Upon leaving the station, ran into protest outside of @mta.info's HQ. Their chant: "what do we want? elevator maintenance!"

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Juan-Pablo Velez @jpv.switch.box · 11/01/2025

Counterintuitively, it is easier! EVs will soon cost less than gas cars, and every driver needs to replace their vehicle eventually. US vegetarian / vegan rates have been low and stable for decades

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Juan-Pablo Velez @jpv.switch.box · 09/01/2025

me today

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Juan-Pablo Velez @jpv.switch.box · 24/12/2024

Load duration curves are helpful to grok the peaky peak. Imagine the load curve of NYS for a year. Rank the hours from highest power consumption to lowest. The entire grid has to be built to handle the purple, regardless of how flat the rest-of-year is. The q is: how tall would the purple bit get?

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Juan-Pablo Velez @jpv.switch.box · 24/12/2024

Even the EU system started off with low prices—on purpose—and only grew as the politics allowed. In democracies, carbon pricing is implemented by elected officials, and is as shaped by the "laws" of polisci as those of economics.

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Juan-Pablo Velez @jpv.switch.box · 19/12/2024

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Juan-Pablo Velez @jpv.switch.box · 19/12/2024

The drillers who drill boreholes (the tubes going down into the earth and getting the heat) are different laborers than the pipefitters who connect them (the big tube going down the middle of the street). The pipefitters union is the one that represents a lot of existing gas workers

Diagram of a utility thermal energy network under a neighborhood street

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Juan-Pablo Velez @jpv.switch.box · 25/11/2024

In 1992, Democrats and Republicans shared power in 31 states. Today, only 12. What happened? Republican gains—entirely. The GOP went from controlling 3 statehouses to 23. The DNC's share actually went down slightly.

Chart showing US State governmetn trifectas by year, from 1992 to 2024. In 1992, 31 states had divided governments, 16 had democratic trifectas, and 3 had republican trifectas. In 2024, those figures stood at 12, 15, and 23.

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