Sinking cities - In April, Dutch geologist Dr. Gilles Erkens presented his research on sinking cities to the General Assembly of the European Geosciences Union. Sinking ground – known formally as land subsidence – is a phenomenon in coastal cities worldwide, and it compounds the threat these cities already face from climate-induced rising sea-levels.

This week’s letter comes from Immaculate Heart of Mary Sr. Joan Mumaw, Solidarity with South Sudan’s development director, who offers a reflection on the recent peace agreement between the rebel forces and the government and the present situation team members are facing as they work to teach and offer healthcare.

Grace Mutandwa is a Zimbabwe-based international journalist, columnist, editor and mentor. She was recenly recognized by the U.S. Embassy in Harare and the Humanitarian Information Centre for exemplary conduct and dedication in promoting gender equality in the media.

These days, we often hear that there is a crisis in the vocation of women religious in the United States. We have few new members, and the average age of present members is above 70. While there are other plausible explanations, I still wonder if the crisis of religious life is in fact equivalent to the decrease in new members and, further, if so, whether vocations have really decreased.

Sr. Mary Wambui is director of a program for vulnerable children and women near Nairobi. Born in Kenya into a family of 11 children, she joined the Missionary Congregation of the Evangelizing Sisters of Mary after high school and graduated from Tangaza College. She celebrated her silver jubilee in 2008. Wambui previously worked in several parishes as a social worker, especially with women’s groups. The program she now works with grows directly out of her congregation’s mission.