Sunlight

New York City, New York - July 29, 2016: View of the Federal Hall at 26 Wall Street in the Financial District with tourists walking on the street.

On the Tradeoffs Between Sunlight and Walkability

There are five kinds of streets in this world.

November 3, 2025 - Michael Lewyn

Rittenhouse Square, a park in Philadelphia, framed by large buildings.

Sun and Parks

Some people fear tall buildings near parks, asserting that such buildings will reduce sunlight. But because many parks are a block or more wide, this impact is likely to be minimal.

November 10, 2021 - Michael Lewyn

The Sun Also Hides Behind Skyscrapers

The Washington Post details the concern over the shadows cast by skyscrapers on the city street below. The latest high-profile case study of the ability of skyscrapers to block the sun: New York's Midtown.

May 5, 2015 - The Washington Post

Dusk High Rises

Designing the Shadow-less Skyscraper

Architects at NBBJ in London have designed a building—two buildings rather—that work together to cancel out the shadows they cast.

March 28, 2015 - Wired

Dusk High Rises

The Sunlight Myth

Tall buildings and sunlight can amicably coexist- sometimes.

April 29, 2014 - Michael Lewyn

Do Tall Cities Require the Regulation of Sunlight?

Planners, lawyers and homeowners have been arguing the question of "solar rights" for two millennia. A recent article presents a primer on the historic and contemporary importance of the debate.

April 29, 2014 - Salon

As Developers Reach for the Sky, New Yorkers Lose Their Access to the Sun

While much attention has been paid to the stunning views that NYC's new skyscrapers offer their affluent tenants, the effects on those left in their shadow are rarely discussed.

December 22, 2013 - The New York Times

FREE Course: Walkable City 1: Why Walkability?

After describing his path towards focusing on walkability as the essence of good planning, Jeff Speck marches through his five principal reasons for making more walkable places.

Reinventing Malls: Planning Alchemy—Turning Gray Fields Into Gold

The course focuses on the opportunities and imperatives that shape reinvention of mall sites.

Top Books

An annual review of books related to planning.

Top Schools

The definitive ranking of graduate planning programs.

100 Most Influential Urbanists

The who's who of urbanism, according to Planetizen readers.

Urban Planning Creators You Should Know

A short list of voices on social, video, and podcasting platforms.