Sidewalk Chorus | Sebastian Hallum Clarke | Substack

Housing

How New Yorkers can lower rents and raise voter turnout

Your guide to the 2025 ballot propositions

Oct 12, 2025 • Sebastian Hallum Clarke

Let's change the law to build more homes and strengthen NYC's elections

My testimony to NYC’s Charter Revision Commission

Jun 16, 2025 • Sebastian Hallum Clarke

How environmental review is strangling New York's future

Making housing cheaper and building better transit is being stymied by New York’s environmental review laws.

Sep 1, 2024 • Sebastian Hallum Clarke

Harris and Obama say we need to build more homes

Their call to “cut red tape” is an inflection point in the quest for housing abundance

Aug 21, 2024 • Sebastian Hallum Clarke

How to legalize building more homes in your NYC neighborhood

You have a surprising amount of power to change New York’s land use rules

Aug 5, 2024 • Sebastian Hallum Clarke

89% of New Yorkers stand to gain from housing abundance

Legalizing denser housing benefits renters and low-rise homeowners alike. We need to improve how we talk about this win-win future to make it a reality.

May 14, 2024 • Sebastian Hallum Clarke

Sidewalk Chorus

Sidewalk Chorus

Exploring how New York works and sharing ways to make this city a greater and more prosperous place to live.

Find Sebastian Elsewhere

Sebastian's website

Transportation

How New York's subway expansion can pay for itself

Value capture taxes can fund a new era of subway expansion — right now

Nov 9, 2025 • Sebastian Hallum Clarke

How NY can save hundreds of lives, with traffic safety cameras

Cars kill almost as many New Yorkers as murderers do. Embracing well-tested technology can end the carnage.

Sep 16, 2025 • Sebastian Hallum Clarke

Doubling down on congestion pricing to free New York from gridlock

How bold congestion pricing moves could help New York capture even greater wins and make our streets thrive

Jun 26, 2025 • Sebastian Hallum Clarke

Designing Streets for People: A Lesson from Barcelona

How a few design tweaks could make New York’s neighborhoods more vibrant and delightful.

Mar 25, 2025 • Sebastian Hallum Clarke

Recent posts

How NY can save hundreds of lives, with traffic safety cameras

Cars kill almost as many New Yorkers as murderers do. Embracing well-tested technology can end the carnage.

Sep 16, 2025 • Sebastian Hallum Clarke

Doubling down on congestion pricing to free New York from gridlock

How bold congestion pricing moves could help New York capture even greater wins and make our streets thrive

Jun 26, 2025 • Sebastian Hallum Clarke

Let's change the law to build more homes and strengthen NYC's elections

My testimony to NYC’s Charter Revision Commission

Jun 16, 2025 • Sebastian Hallum Clarke

Who New Yorkers should elect in June 2025

Pro‑abundance picks for a more affordable, dynamic, and thriving city

May 27, 2025 • Sebastian Hallum Clarke

63% of Manhattan East Side Voters Still Undecided on Their City Council Pick

Only one in five is ready to rank more than one candidate. The race for District 4 is wide-open.

May 13, 2025 • Sebastian Hallum Clarke

Designing Streets for People: A Lesson from Barcelona

How a few design tweaks could make New York’s neighborhoods more vibrant and delightful.

Mar 25, 2025 • Sebastian Hallum Clarke

How we raised $8,100 for a New York political campaign — from our living room

Hosting a political fundraiser is easier (and more fun) than you think.

Mar 9, 2025 • Sebastian Hallum Clarke

Why New York Needs Issue Polling—And What It Reveals About Congestion Pricing

Our politics has a murky understanding of public opinion. I'm on a mission to find out what New Yorkers truly think.

Feb 3, 2025 • Sebastian Hallum Clarke

Hyperlocal, Hypercomplex: My Experience on Manhattan Community Board 8

Reflections on decision-making, public engagement, and the evolving role of community boards in New York City

Nov 24, 2024 • Sebastian Hallum Clarke

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