For the past decade, young adults are becoming more and more aware of the impact that waste has on the Earth’s oceans and land. There have been multiple startups to help clean the oceans, but what about replenishing the sand on the beaches? Louisiana, the hot spot for hurricane hits, has its coast being greatly eroded every time there is flooding.

But in 2018, three Tulane University students decided to fight for their home. Max Landy, Max Steitz, and Franziska Trautmann started Plant the Peace, a nonprofit organization that “aims to fight climate change at the intersection of education technology and carbon reduction.” This nonprofit’s website has free, educational games that anyone can play. And for every 10 correct answers that a gamer achieves, Plant the Peace plants one tree. This worldwide site is taking a step in the right direction and helping other business become more sustainable as well.

This past year, the students had the idea to replenish Louisiana beaches, and started another nonprofit. How did they begin this? They built a mobile, glass-pulverizing machine that turns glass into sand. It was designed to be mobile so that they could transport it from location to location start the process. Once they began to accumilate large amounts of glass bottles, they bought a warehouse and moved their project inside. They also set up about 20 sites around the city for used glass to be dropped off, and partnered with businesses in the area to house large recycling bins. Over the spring and summer, they touched up and facelifted the warehouse to make it an easier environment to work in. Now, they are working harder than ever to minimize the amount of glass bottles Tulane has, and to make sand for their beaches.