text: -P 4J •H C O a JJ d 4-> C O •H fH < i> C C D C 0 X i P C C J C O xqu Cd >13C O 0 ) 04 <D -P P 0 ) -P o •p U 0 p 0 4 -H 0) p 04 .H B c iH • H •H 04 0 X) 0 X5 0) C O C O0 C O > C O C O C T 3 P M H2 2-P -P o 3 TJ P 0) PC X2 0^ - 5M u •H 0) 0) iH 0) 0) cd C 0) C d c 0) *orH X i C O X) rHC •H *H fH •H *H 04 0)<0 C O o o tp X3 u X g•P O 0 p •H •H •H O 0 •H •H O 0) •H m •H 0 O ' C O C O O p q O ' C O O M -l 04 C O •Hd > i O H• •H N O 0) 4J OC O P C O O Qc iHQ)x: ^ w 0 rH M -« U 0 < u •d W M P4 04 rH w p q C U tH •H «H 6x : >Q) s C /3 •J X* s 0 PQM M 295. The formulation and carrying-out of the environmental sanitation policy as it affects human health are the reponsibility of the Department of Urban Development and Ecology, working in conjunction with the Department of Health. With a view to strengthening this interdepartmental coordination, a National Ecology Commission was established to follow up implementation of the Presidential 21-points Decree of 14 February 1986 for dealing with important pollution problems in the Valle de Mexico, which was the framework for 
analysis: The text appears to be discussing the coordination between government departments to implement environmental policies and their impact on human health. The mention of a Presidential decree and specific actions related to pollution in the Valle de Mexico suggests a focus on environmental issues. The involvement of departments related to health and urban development further supports this hypothesis.