Good morning. A new park that will be unveiled tomorrow in Toronto is an ambitious example of moving rivers to bring civic imagination to public spaces. More on that below, plus catching up on First Nation leaders meeting with Prime Minister Mark Carney on Bill C-5 and Ukraine’s cabinet shuffle. But first:

• Documents used to assess asylum and deportation cases omit Trump’s edicts on gender, deportations and detention
• Hedge funds sort out winners and losers as Couche-Tard’s bid to buy 7-Eleven owner collapses
• The British government has announced plans to lower voting age to 16 in national elections

It’s not every day that you move a river. And yet, that’s exactly what has happened − on the edge of downtown Toronto, no less.

Hi, I’m Alex Bozikovic, The Globe’s architecture critic. In recent years, I’ve often written about landscape, and about the ways climate change is reshaping our cities. This week, those two threads come together.

After 17 years of planning and eight years of construction, the Port Lands Flood Protection Project has given the Don River a new path to the lake. The river’s re-engineered mouth now opens into Toronto Harbour through a carefully sculpted landscape − 50 acres of new parkland known as Biidaasige Park that will welcome its first visitors this weekend.

Biidaasige is an Anishinaabemowin word that means “sunlight shining toward us,” a choice that could reflect the effort to renew the ecological and Indigenous past.

There will be plenty to take in: some of the city’s best new playgrounds, zip lines, trails, native plantings in bloom. The setting feels uncannily natural, as if it had always been there. But as landscape architect Herb Sweeney told me, the real drama lies beneath the surface.

The wetlands and inlets where red-winged blackbirds dart through the reeds are, in fact, feats of ecological engineering − a collaboration among landscape architects, civil engineers and environmental scientists.

What can this place teach us?

First, that we have the tools to mitigate the effects of climate change by reshaping the urban fabric itself. The Don River is prone to flooding, in part because it was hemmed in and its wetlands paved more than a century ago. This project replaces what was lost with a new, engineered marsh.

It won’t solve every problem − flooding on the Don Valley Parkway will still occur − but it will help. The project’s soft surfaces and sinuous waterways now protect about 400 hectares of the city from the kind of floods that climate change is making more common.

Second, it shows that big, ambitious public works are possible. The agency behind this, Waterfront Toronto − a rare partnership among the city, province and federal government − has proved unusually capable. In a country where delay often reigns, it has delivered a complex piece of infrastructure more or less on time and on budget.

The secret? A degree of autonomy. Though it answers to three governments, Waterfront Toronto has just enough distance from all of them to think long term − and to act.

I’ve been following this story since the beginning. In 2007, Waterfront Toronto launched an international design competition to reimagine the Port Lands. The winning proposal, from New York-based Michael Van Valkenburgh Associates (MVVA), proposed something almost unheard of: move the river. More audacious still, put landscape architects − not engineers or planners − in charge of the project. It worked.

“This project is one of a kind in the world,” said Sweeney, a partner at MVVA. “It’s a good opportunity to show other cities what can be done.”

And this isn’t just about a river. The transformation has redrawn the map of the city. The new course of the Don defines a new island, Ookwemin Minising, where development will follow: housing, streets, public space. A blank zone at the edge of downtown will become a new piece of the city.

That’s still to come. But for now, the swans and salmon in the Don will have company: people putting canoes into the water, strolling the trails, seeing the city − and perhaps their place in it − in a new light.

Diverging views among First Nations leaders signal