The phrase "new prisons" refers to recently built or planned correctional facilities where individuals who have been convicted of crimes are confined and serve their sentences. Full definition
Building new prisons allows the government to practice what it teaches about a low carbon and green economy. (politics.co.uk)
Currently many politicians are «talking green,» but they are spending more on new prisons than on widespread green economic development. (scientificamerican.com)
It seems that while getting tough on crime is popular with voters, paying the bill to build expensive new prisons is not. (charlessizemore.com)