
Classes and Practices
Course # 3 Systems to Purify the Air and Water of Cities, the Atmosphere and the Oceans
This course is free thanks in part to the National Geographic Society
Next we present the video classes, which are divided into three (3) sections, as you finish watching a section, read the corresponding section in the textbook of this course and then carry out the corresponding practice. Once you complete the course and have completed all the practices, write to us at ongarcatierra@gmail.com we will grant you a certificate.
This course is free thanks in part to the National Geographic Society

Systems to Purify Air and Water in Cities, the Atmosphere and the Oceans
year 2020
Author: Patricia Rincon
Presentation: Digital, PDF file
Price: Free
Course Book #3
It guides you how we can innovate to purify closed spaces to prevent pandemics or toxic clouds from collapsing human activities. How to build carbon neutral civilizations with sustainable development in urban and rural areas. Systems to purify the atmosphere and oceans, making use mainly of natural resources.
