Officials in the Ghanian capital of Accra are taking advantage of reduced traffic on the streets because of outbreak-related lockdowns to address the city's long-standing sanitation issues, partnering with state authorities and private sector organizations to clear public spaces and drains of accumulated garbage. "Everybody right now is very sensitive healthwise, sensitive sanitationwise and people are ready to learn and listen," says Dr. Williams Anarfi, a sanitation advocate.

General Motors has applied for a patent for a system that uses blockchain to integrate data from vehicle sensors and make a continuously updating map for autonomous vehicles. The system solves the problem of maintaining maps by having many vehicles gather data as they drive around.

Van Cortlandt Park in New York's Bronx borough will host a 200-bed field hospital run by the Federal Emergency Management Agency to treat coronavirus patients. The park is the third-largest in the city.

Amazon is adding more high-priority items to the list of what it will accept from sellers after severely restricting goods to include only essential products such as medical supplies in the wake of the coronavirus pandemic. The retailer is being selective about which items it will accept for its fulfillment centers and has introduced a tool that enables sellers to determine if their merchandise is eligible.

The latest Global Infrastructure Industry Survey finds waning confidence that infrastructure projects will be able to attract investment after the coronavirus pandemic. Only 5% of industry leaders say investment will "increase significantly," down from 34% before the pandemic.

The Bourne and Sagamore bridges over Cape Cod Canal will be replaced in light of a recommendation from the Army Corps of Engineers. Engineers suggest two wider spans near the old ones, but the USACE must finalize the design and funding strategy of the $1 billion project.

Federal funding for construction in Arizona hinges on the US census, prompting the state Department of Transportation to urge residents to complete the form. At stake is about $3,000 per person that flows to Arizona from federal coffers annually.

Connecticut will conduct its state Bond Commission meeting via teleconference to ensure municipalities receive $1 billion in infrastructure improvement money. Also at stake is new federal funding that might be available in response to the coronavirus pandemic.

Urban transportation infrastructure in Canada will need a paradigm shift after the coronavirus pandemic ends, writes Brent Bellamy, creative director at Number Ten Architectural Group. Cities need more ways for residents to commute safely and without crowding on foot and by bicycle, and Winnipeg has a promising plan of the sort that includes 50 miles of protected bike lanes.

France's Vincent Callebaut Architectures is proposing a timber skyscraper for Cebu, Philippines, that would be festooned with more than 30,000 plants, shrubs and trees. Dubbed "The Rainbow Tree," the 32-story tower would also feature advanced renewable energy as well as passive heating and cooling systems.