Create many thousands more affordable housing units by converting some of the city’s public golf courses into mixed income developments, with garden allotments and wetlands.

Deck over Robert Moses’s Cross Bronx Expressway and create a spectacular new park.

Devise a network of dedicated lanes for e-bikes and electric scooters so they will endanger fewer bicyclists and pedestrians.

Pedestrianize Lower Manhattan. Not even 10 percent of people there arrive by car.

Build more mental health crisis centers citywide.

Provide more clean, safe public pay toilets that don’t cost taxpayers $1 million apiece.

Convert more coastline into spongy marshes, akin to what exists at Hunter’s Point South Park in Queens, to mitigate rising seas and floods.

Dedicate more of the city budget to public libraries and parks, the lifeblood of many neighborhoods, crucial to public health and climate resilience. The city devotes barely 2 percent of its funds to them now.

Follow through on the Adams administration’s $400 million makeover of once-glamorous Fifth Avenue from Central Park South to Bryant Park, with wider sidewalks, reduced lanes of traffic, and more trees, restaurants, bikes and pedestrian-friendly stretches.

Do away with free street parking and enforce parking placard rules. New York’s curbside real estate is priceless public land, and only a small fraction of residents own cars.

Open the soaring vaults under the Brooklyn Bridge to create shops, restaurants, a farmers’ market and public library in nascent Gotham Park.

Persuade Google, JPMorgan or some other city-vested megacorporation to help improve the acoustics as well as Wi-Fi in subways, along the lines of Citibank sponsoring Citi Bikes.

Overhaul freight deliveries to get more 18-wheelers off city streets, free up traffic, reduce noise, improve public safety and streamline supply chains.

Rein in City Hall bureaucracy around new construction. The city’s Department of Design and Construction is full of good people but a longtime hot mess at completing public projects.

Convert more streets and intersections into public plazas and pocket parks. Like the pedestrianization of parts of Broadway, this Bloomberg-era initiative has proved to be good for businesses and neighborhoods.

Stop playing Russian roulette with a crumbling highway and repair the Brooklyn-Queens Expressway before it collapses.