NASA says it doesn't think that at all
NASA 14-082 Statement on Sustainability Study
a little more searching finds study name and links
NASA study: Way to save Western civilization is PHRASECENSOREDPOSTERSHOULDKNOWBETTER. | The Daily Caller
links this
perfect-storm-paper.pdf FOOD, ENERGY, WATER AND THE CLIMATE: A PERFECT STORM OF GLOBAL EVENTS? By John Beddington CMG FRS Chief Scientific Adviser to HM Government mpst.beddington@bis.gsi.gov.uk
don't panic
nasa-collapse-study What did that ‘NASA-funded collapse study’ really say?
How the whole population explosion thing plays out can be seen in Haiti