Geoffrey Baer highlights some Chicago buildings addressing climate change by striving for net-zero energy, incorporating renewal energy sources, repurposing existing buildings, and incorporating agriculture, among other things.

A memorable image from Shel Silverstein's The Giving Tree is now preserved on a U.S. postage stamp.

After things go horribly wrong, Hannah recalibrates and tries to save her son, get revenge on the Mimicas, and salvage her investigation, in the season finale. 

Tom finally takes charge and stands up to the miscreants of Sanditon, with the help of Arthur and Mary. Georgiana receives shocking news, Alison makes delightful news, and Charlotte navigates the culmination of a budding relationship. 

A group of squatters moves into one of Matthew's warehouses, and one of them is due to give birth soon. Sister Monica Joan worries that an omen of misfortune has been sent to Nonnatus House and visits a medium for help, but ends up helping her instead.

Things are coming to a head in the investigation into the Mimicas, as new information both true and false is revealed, threatening Hannah and Billy's attempt to apprehend the family in the thick of their plot. 

Charlotte struggles to understand her feelings as the truth about Alexander Colbourne as well as the army begins to emerge. Tom and Arthur try to right things in Sanditon, while Georgiana faces a life-changing decision and Edward further manipulates Lady Denham.

Cyril and Lucille try to reconcile their plans for the future while Trixie begins to envision a future with Matthew, before sad news interrupts things. Nurse Crane has her own surprising news that upends her life. 

Macaroons are a common treat during Passover, since they don't contain grain and are unleavened. Ursula Siker of the "Jew-ish" deli Jeff & Jude's shares her recipe as well as her love of Jewish delis and inspiraton behind her own. 

Christian is struggling with Stefan's fate as he continues to try to learn more about the large operation the Mimicas are planning so that the police can stop it and arrest them.

Charlotte reluctantly becomes the center of a bitter relationship between Colonel Lennox and Alexander Colbourne at Lady Denham's garden party, while her sister refuses to listen to advice and ends up hurt because of it. 

Sister Hilda and Dr. Turner try to help a man with a lung condition who is haunted by his past, while Sister Julienne and Trixie try to intervene in the difficulties of a struggling new mother.

In the third season of Now Hear This, Scott Yoo explores the idea of American classical music through several composers and their influences, which range from samba to spirituals to Hindustani music—with explanatory pit-stops for food along the way. 

After any service at a Sikh gurdwara, or temple, the free meal of langar is served. Anybody is welcome, and all of the work for the meal is voluntary, an expression of selfless service. Learn about langar and try a recipe commonly served for it.