A university started a new graduate program in public health with a focus on epidemiology

A photographer published a calendar featuring photos of local landmarks to raise money for charityA hotel started offering free breakfast to guests which increased customer satisfaction scores

A musician collaborated with another artist on a song that became a hit on radio stationsA construction company used drones to survey construction sites and improve safetyA study found that volunteering can improve overall happiness and life satisfaction

A small business owner used social media influencers to promote their products and increase salesA city installed new recycling bins in public spaces to encourage more recycling

A scientist presented their research at an international conference in front of 1,000 attendees

A pet rescue organization started a foster program to help animals find temporary homesA wildlife conservation group worked with local communities to protect forest habitats from deforestation

A software company offered a 30-day free trial of its program to attract new customersA city council approved plans to build a new water treatment plant to improve water quality

A charity organized a benefit concert featuring local musicians, raising $50,000 for a children’s hospitalA study found that reading printed books improves comprehension more than reading e-books for most readers

(责任编辑：王艺霖)