Why air travel is such a headache right now

If you’ve tried to fly lately, you’ve probably had to deal with cancelations, delays, and extremely long waits. Vox explains why airlines are struggling to get back to business. Trees provide critical shade that keeps communities cool. The Guardian reports that unequal tree distribution means higher temperatures in many neighborhoods where the majority of residents are people of color. Bloomberg explores possible solutions. In the 1920s, Polish Jewish émigré Eve Adams wrote a book that may have been the first ethnography of American lesbian life. The New Yorker sheds light on how this lost piece of history was rediscovered. With Independence Day approaching, NPR looks at why consumer fireworks are hard to find and extremely expensive right now.