What sewage can tell us about the spread of COVID-19

Billions of people around the world lack access to safe sanitation, causing disease and deaths. In Ecuador a foundation developed a cheap, dry, composting toilet for poor rural families.

Uganda’s education ministry requires all schools to have incinerators to burn used sanitary pads. Lack of funding limits schools’ ability to comply. Even when incinerators exist, girls don’t necessarily use them. Educating both girls and boys about menstruation reduces stigma and increases the likelihood that girls feel comfortable enough to collect pads instead of throwing them in pit latrines.

The simple addition of adding handles to bathroom stalls in the Rohingya refugee camps in Bangladesh has helped the camps' pregnant women regain a sense of empowerment and dignity. Providing support and balance, the design of these latrines have benefited the elderly in the camps as well.

On World Toilet Day in 2014, the Kenyan government promised to build 180 public toilets in an ambitious move to combat the issue of public sanitation. The program went well once the keys were handed off to the National Youth Service of Kenya as a means of income, but issues quickly arose that could not be resolved because of a lack of further funds. The youth has since transformed their toilets into a rental space for local churches, such as Christ Miracle Church for All Nations in Laini Saba.

In Japan, the southwestern region of Kansai is less predicated by government oversight and relies more strongly on independence. In the Wakayama prefecture, that attitude has resulted in the region's leaders implementing an independent approach to battling the coronavirus outbreak. The approach, which utilizes widespread testing and contact tracing, is now being regarded by other regions as a model of success.

Scientists have been mapping microbes in public places for a long time and are now tracking Covid-19 by swabbing subways, park benches, ATMs, and even the air, for traces of genetic material to better understand the virus’ transmission dynamics and detect hotspots before transmission becomes widespread. Molecular monitoring has identified how long the virus can live on different surfaces and the origin of different strains, which can flag sanitation priorities and help contact tracers. There are limits to what it can reveal because finding virus on surfaces does not always lead to definite infection.

Health officials in North Carolina have shown that contact tracing can successfully identify those who have been exposed to COVID-19. The efforts of the contact tracers in one county resulted in 35 people being quarantined after an exposure to the virus during a child's birthday party, however that was only possible because of those individuals "were willing to be open and honest and forthcoming."

During the NFL's 2020/21 season, "700 players, coaches and other team personnel tested positive for the coronavirus," but none of those individuals were associated with the Seattle Seahawks – the only team that lasted the entire season without one positive case. The Seahawks enacted strict protocols such as dividers between showers and lockers, upgraded ventilation systems, daily testing, and a mobile meal app, but they also relied on innovative tactics like creating a competition for which position group could maintain the fewest close contacts.

The state of Pennsylvania set to plant 86,000 hectares of riparian buffers, the practice of planting trees and shrubs along a river or stream to filter water. Other benefits of riparian buffers include things like restoring the soil and cooling the water. In order to meet their goal, the state scientists used a bottom approach, enlisting the help of local farmers by offering them grants to plant trees and showing farmers how they can profit off of riparian buffers. While the state is behind its goal, the state is planting about 1,000 to 2,000 hectares a year.

In 2020, a devastating explosion in Beirut that came from a warehouse released 800,000 and one million tons of construction and demolition waste and 20,000 tons of shattered glass into the city. The waste was being thrown into landfills. However, landfills are notoriously bad for the environment. Out of that rubble an idea was created; disposing waste sustainably. Rubble Mountains was created specifically to do this. They've been able to restore four quarries, use materials to create public amenities, and diverting up to 50 tons of demolition waste from landfills.