Anant Kumar has set up a chain of low-cost maternity hospitals called LifeSpring.
Established in 2008, the Omega schools in Ghana are a chain of low-cost primary schools that now boast more than 20,000 students.
Bridge International Academies, a chain of low-cost private schools, for instance, has created 400 nursery and primary schools in Kenya and Uganda using standardised classrooms.
"We are really disappointed with the progress we are seeing in Poznan," said Amjad Abdulla, director general of the Ministry of Environment in the Maldives, a chain of low-lying islands that is threatened by rising sea levels.
In Southern California, two entrepreneurs (and Atkins dieters) last month opened the first two in a chain of low-carb supermarkets called Pure Foods, and individual low-carb markets are opening nationwide.
Uganda's high court has ordered the closure of a chain of low-cost private schools backed by Bill Gates and Mark Zuckerberg, respectively the founders of Microsoft and Facebook.
Others, such as James Tooley, a British academic who advises a chain of low-cost for-profit schools in India, say private-sector education in poor countries routinely outperforms the free, taxpayer-subsidised version.
At Blink Fitness, a chain of low-cost gyms owned by Equinox, where memberships are typically $20 a month, those in their 60s and older account for up to 25 percent of the membership.
For several years, the state has been trying to get financing for a similar project to rebuild the Chandeleur Islands, a chain of low-lying barrier islands in the delta that lost more than 80 percent of their surface area during Hurricane Katrina in 2005.
