From trains and traffic to concerts and sporting events, many cities around the world are dangerously loud. Noise pollution can have a huge impact on health and quality of life - causing stress and increasing risk for heart disease and other issues. So what are some of the tools that engineers have to limit loud noise? Raj Patel, an acoustics expert who helped design Manhattan’s Little Island waterfront park, explains how noise pollution can be minimized in metropolises like New York City.

The New York City Parks Department has an interesting new series of videos titled Meet NYC's Trees in which they introduce one of the many species of street trees which can be found throughout the City. In this short video from the series, learn how to recognize the "Green Ash". Check this map to see if you have any in your neighborhood.

Make sure you can ID your neighborhood green ash! Come fall, their leaves will turn a gorgeous shade of yellow.