Next month, about 200 people will convene at Twitter headquarters in San Francisco for the Digital Citizenship Summit. There, they and countless others joining via livestream will hear from media and tech experts on how emerging media can be used in ways that are "safe, savvy and ethical." One of the experts that attendees will hear from is Daughter of St. Paul Sr. Nancy Usselmann, the director of the Pauline Center for Media Studies.

The United Nations shone a spotlight on the worldwide migrant and refugee crisis this week. U.N. leaders are calling the Sept. 19 summit and connected events — including a meeting of global leaders called by President Barack Obama — historic but also necessary given the record number of people moving because of wars, political unrest, economic challenges and climate change.

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Loma Miranda is one of the most biodiverse mountains in the Dominican Republic and is known as a "green curtain" that collects humidity from the Caribbean clouds to provide 80 percent of the region's water. It acts as a natural barrier, protecting surrounding communities from cyclones and other natural disasters but is also rich in nickel ore and owned in part by a Canadian mining company. Locals want Loma Miranda to become a national park.

Maryknoll Sr. Marvie Misolas is the nongovernmental representative of the Maryknoll Sisters, part of the Maryknoll Office for Global Concerns at the United Nations; she is now based at the Maryknoll Sisters Center in Ossining, New York. She was missioned in Taiwan for 13 years, before being assigned to study in the field of environment, peace and security at the United-Nations-mandated University for Peace in Costa Rica, specializing in climate change and related issues.