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I'm interested in better understanding the ongoing geological processes that shape St. Louis and the Mississippi Valley region. So far, I've been looking into the history of seismicity in the region, focusing on the fascinating but little known history of the New Madrid earthquakes of 1811 and 1812 -- the most devastating earthquakes to have hit the US east of the Rockies. I've also been exploring how St. Louis and surrounding areas are dealing with the possibility of another earthquake occurring in the future. According to one article I read, one of the biggest uncertainties is what would happen to the heavily engineered Mississippi River in the case of another major tremblor. The shaking could break the levees, flooding wide areas along the river and creating cascading effects. The flow of the river might also reverse completely, as occurred during the New Madrid earthquakes.

On these possibilities and the lack of scientific consensus surrounding intraplate seismicity in this zone, see this article in The Atlantic.

On current efforts to create earthquake hazard maps in St. Louis, see this overview on the US Geological Survey site.

For a deeper dive into the history of the New Madrid earthquakes, see this book by historian of science Conevery Bolton Valencius. 

The object of this study is to demonstrate with objective data that pollution in Newark is causing real damage. Especially for children, because they suffer from respiratory diseases such as asthma; which is more harmful to a developing organism like a child. It is important that we become aware that pollution damage is real, and that a part of the population that is really affected is the youngest.

I think it is an important step, clearly for presenting complaints, the problem will not be solved; we should all do it if we see something of this kind. In addition to the complaints, there are many steps to follow, such as organizing protests, taking care of daily consumption or becoming aware that a sustainable life is better for everyone.

The product used to measure the level is a portable air sensor; This product is an innovative development because as it says in the article Molly Greenberg allows to obtain air quality data, this is clearly a breakthrough since years ago getting this information was not possible or the process was much more complicated.

This artifact has great relevance because it allows to control and measure the levels of contamination in the air of Newark. This is very helpful in order to fight pollution and have more data to help us maintain air sustainability. Air pollution is one of the most developed pollutions today, any technological investment that helps to have more information about this is good to combat this problem.

The participation of the EPA in the improvement of air pollution in Newark has a great relevance because it is an organization that has the ability to invest money in technologies that allow to have a greater knowledge of the levels of air pollution. This allows you to prevent problems and have more information to fight them better.

The policy is that developers request environmental permits to inform the city of any environmental problems. The aim is to achieve sustainability and a safe environmental life for citizens. 

I think that if it is possible to reconcile both developments, since both are necessary for social development we should look for policies that help to live with both. If a sustainable use of the industry is made, it can offer favorable living conditions and at the same time not harm the environment.

The participation of the EPA in the improvement of air pollution in Newark has a great relevance because it is an organization that has the ability to invest money in technologies that allow to have a greater knowledge of the levels of air pollution. This allows you to prevent problems and have more information to fight them better.

The U.S. Environmental Protection Agency’s Lead and Copper Rule regulates the presence of lead in drinking water. Under the rule, if more than 10 percent of samples test above 15 parts per billion, the federal lead “action level” is exceeded. An “action level” exceedance triggers mandatory requirements that a water system must perform. For Newark, these requirements include water quality monitoring, corrosion control treatment, source water monitoring and treatment, public education, and lead service line replacement. Newark must treat its water to guard against corrosion (pipe erosion and damage) to minimize lead “leaching” (when lead is dissolved from pipes or fixtures and transfers into the water) or flaking of small lead particles from pipes or fixtures into tap water.