Today on Boston Public Radio:

We begin the show by opening phone lines, talking with listeners about the loosening of office dress codes.

Bill McKibben talks about the International Panel on Climate Change’s (IPCC) latest report on climate change. McKibben is an author, educator and environmentalist. He’s the founder of 350.org and ThirdAct.org. He has a new newsletter on Substack titled “The Crucial Years.” He’s also got a new, serialized book titled “The Other Cheek: An Epic Nonviolent Yarn.”

Callie Crossley discusses the confirmation of Justice Ketanji Brown Jackson, and dives into National Poetry Month ahead of this weekend’s Under the Radar. Crossley hosts GBH’s Under the Radar and Basic Black.

Jim Aloisi and Stacey Thompson share their thoughts on Mayor Michelle Wu’s moves to electrify MBTA buses, and explain how public transit factors into the IPCC’s 2022 climate change report. Aloisi is the former Massachusetts transportation secretary, a member of the Transit Matters board and contributor to Commonwealth Magazine. Thompson is executive director of Livable Streets.

Ming Tsai and Ken Oringer talk about their upcoming dinner fundraiser for Ukraine, in which they’ve already raised $400,000. Chef Ken Oringer is the James Beard Award-winning chef and partner behind restaurants Uni, Toro, Coppa and Little Donkey. This spring, Oringer and his business partner – chef and restaurateur Jamie Bissonnette – are opening their first new concept in six years, Italian restaurant Faccia Brutta. Chef Ming Tsai, a James Beard & Emmy Award-Winning chef, chef and partner at BaBa at Yellowstone Club in Big Sky, chairman of the National Advisory Board with Family Reach, and host of PBS-TV's “Simply Ming.”

Sue O’Connell discusses Elon Musk’s appointment to Twitter’s board of directors, and shares her thoughts on Louis C.K.’s controversial Grammy win. O’Connell is the co-publisher of Bay Windows and South End News, and contributor to Current, on NBC L-X and NECN.

We end the show by asking listeners what they believe marks the arrival of spring.