Marta, who grew up in Boston and volunteers with the Rajiv Gandhi Mahila Vikas Pariyojana, is helping India overcome the problem of open defecation by giving them access to what should be a basic right – a toilet. Until now, she has built more than 100 low-cost evapotranspiration toilets in the villages of Usuri, Ayodhya Ka Purwa, Jimidar ka Purwa and Dhakolia.