Los plásticos residuales y sus posibilidades de valoración

Part of the Collection "Algarabia" (Hubbub), this is a book for curious people. It covers a wide range of subjects, explaining the reason why things happen that way: Why we get older?, Why we like chocolate?, Why our heart rate increase when we are afraid?. Why cats always falls upon their feet?. An many, many more. It also explains: what about with...many things. Este es un libro para personas curiosas. Parte de la coleccion "Algarabia," responde infinidad de por ques: por que envejecemos?, por que el mar es salado?, por que tartamudeamos?, por que nos gusta tanto el chocolate, y muchisimas...

These guidelines were developed through a participatory process involving fisheries experts and managers from governments, the fishing industry, academia and non-governmental and intergovernmental organizations. They provide management guidance on factors ranging from an appropriate regulatory framework to the elements of good data collection programmes, as well as identifying key considerations and measures necessary for ensuring the conservation of target and non-target species.

La civilización industrial nos trajo la contaminación, pero no es posible volver al artesanado. ¿Cómo salir de esta trampa? Caselli expone primero el origen del problema, luego las consecuencias y, por último, las medidas para resolverlo. Y propone, con considerable aparato técnico, tres únicas soluciones: ahorro de energéticos, energías alternativas y rigor en las leyes contra la contaminación. La contaminación

An urgent call for us to wake up to the cry for help from a growing number of endangered species, that our children are at risk of not getting to know. This work, in three volumes, not only examines the causes of this loss, the characteristics, distribution, customs and conservation status of species of amphibians, reptiles, birds and mammals threatened most of Argentina, but is proposed solutions to this important challenge.