Click the arrow (not the keyboard one, the one on the screen). The rest of the instructions are in the project. Click the flag twice to be safe.
All info is from Moveforhunger.org (https://www.moveforhunger.org/the-environmental-impact-of-food-waste/) and Froodly.com (https://froodly.wordpress.com/2015/06/26/3-sources-of-pollution-from-our-food-waste/).