People in more than 190 countries across the globe doing their part today to improve the health of our world.

Earth Day was first celebrated in 1970 in the U.S. and has grew exponentially in the 50-plus years since, going global in 1990, and becoming what it is today, widely considered one of the largest secular observances in the world, with more than a billion people taking part each year.

Joining Spectrum News 1 now is Nichole Edwards, associate executive director of SUNY Cortland Auxiliary Services, where last year, they put a big focus on using leftover food, which in the past would have been thrown in the trash, and instead turned it into compost, keeping more than 63,000 pounds of uneaten food out of Cortland County's landfills.