Desertification: The Cancer of Earth

by christos10 on Février 14, 2017 - 10:10am

Desertification: The Cancer of Earth

 

Allon savory talks about a global issue that we face now and in the future that can affect our future lives. In our society nowadays we think we can solve our issues with technology and it’s understandable because we are living in an era where technology plays a big part in our daily lives. This global issue is desertification which is when land turns to desert. This is caused by us humans when we create too much bare ground. It is also caused by the earth’s population, which is increasing to 10 million inhabitants.

We have climates around the world where humidity is guaranteed throughout the year, on those, it is nearly impossible to create large areas of bare ground. No matter what we do to these environments, nature covers it up quickly. Desertification is happening in environments where we have months of humidity followed by months of dryness. We have the technology to views these areas from space and we can properly see these proportions. The lands that are desertified cover about two thirds of the earth. We are told that desertification only occurs in environments which have none or little availability to water. We are also told that desertification cannot occur in grasslands but if we look down into them we see that they’re covered by crust and algae, which is the main cause of desertification. It’s the cancer of desertification.

What we already know about desertification is that it is caused by livestock, mostly cattle sheep and goats overgrazing the plants, leaving the soil plain while releasing methane. Even with this information we still don’t know what causes desertification. We can still prevent desertification and eventually reverse it by making a change in management. To prevent desertification there must be a change in governments and a change in people attitudes. We can do this by, implementing land and water management to protect soils from erosion, salinization, and other forms of degradation. Protecting the vegetative cover, this can be a major instrument for soil conservation against wind and water erosion. Integrating the use of land for grazing and farming where conditions are favorable, allowing for a more efficient cycling of nutrients within the agricultural systems, which means to create a safe environment to supply animals with food, to pretty much do what Mother Nature does but in a controlled state. Giving local communities the capacity to prevent desertification and to manage dryland resources effectively. One way I can help prevent desertification is to be more involved in communities who are trying to protect and save the earth from it also to come up with new ideas and plans to protect are world from this “cancer”. I can do this by following up on current news about desertification and researching on desertification to get a better understanding for it. By following these steps I believe it is possible to prevent future lands from getting destroyed by desertification.

 

https://www.ted.com/talks/allan_savory_how_to_green_the_world_s_deserts_...