Dive summary:

• Back in the early 90s an area in Laredo, Texas was used as an illegal dumping ground, now some residents are considering transforming it into a playground.
• Many citizens are concerned about the health risks of building on top of a landfill, it is unsure what kind of things were dumped at the site, possibly toxic chemicals, pesticides or anything that would release methane or carbon dioxide.
• While the debate is gaining a lot of attention, it is not uncommon for landfills to be turned into parks or other types of community areas, New York for example is turning it’s largest landfill into a 2,200-acre park.

From the article:

Many people question what happens to landfills after they are filled.
A playground was proposed to be built over top of a once-illegal dumping ground, located behind La Presa community center.
This site was once an illegal landfill back in the early 90's and now a playground was proposed to be built on top of it, which can bring some concerns. ...