"Hey Siri" support and possibly wireless charging case alongside AirPower charging mat.
AirPods and AirPower: Everything We Know
Apple Stores Celebrate Earth Day With Green Logos and Staff T-Shirts
Many customers have shared pictures of the green-leafed Apple logos on Instagram and Twitter at stores in the United States, Australia, Belgium, China, France, Hong Kong, Italy, Japan, Spain, United Kingdom, and other countries. Apple retail chief Angela Ahrendts also tweeted some photos of the new green t-shirts.
Apple has heavily emphasized its environmental responsibility over the past month. At its iPhone SE event last month, Apple environmental chief Lisa Jackson said the company's goal is to "become 100% renewable in 100% of our operations worldwide," including all of its corporate offices, retail stores, and data centers.
Yesterday, Apple launched an "Apps for Earth" promotion in support of the World Wildlife Fund and released its annual environmental responsibility progress report [PDF] covering the 2015 fiscal year. Notably, Apple's recycling initiatives have allowed it to recover over $50 million in gold, copper, and other metals.
Update: While some have suggested that the new seasonal green t-shirts may go against the idea of environmental friendliness, a retail employee informed us that Apple has supplied team members with multiple shirts that will be used for the "foreseeable future." The employee also said that Apple recycles t-shirts each time it changes colors, while some take their old t-shirts home for personal use.