News
El Universal Primer rbol artificial inicia limpieza de aire en...
archivo.eluniversal.com.mx
Se trata del purificador de aire urbano PAU-20, una especie de rbol metlico que a pesar de carecer de ramas, tronco y hojas es capaz de imitar artificialmente...
Peru bores through Andes to water desert after century of dreams |...
www.reuters.com
Peru's Olmos Valley might be a desert now, with rare rains and rivers that trickle to life for just a few months a year, but a radical engineering solution for...
sorted by relevance / date