Challenges of Overcrowding in Canada's National Parks

Trump and Putin meet in Alaska. The opening scene included warm handshakes, and a shared ride in a presidential car. Despite the casual atmosphere the stakes are high, as they talk about the future of the war in Ukraine.

And: The union representing Air Canada's flight attendants has rejected the company's request for binding arbitration. The union says it wants to keep negotiating. Without a deal, hundreds of flights have been cancelled, with a strike set to start early Saturday.

Also: The federal government is encouraging the trend of vacationing inside Canada this year by offering free admission to national parks, and discounts on train travel and museum visits. The pass has been successful — maybe too much so, as the parks struggle to handle the crowds.

Plus: Global talks to end plastic pollution collapse without a deal, a groundbreaking rocket launch from Cree territory in northern Quebec, and more.