Answer:There are a lot of negative impacts that open burning of waste materials both on health and our environment. 1. Since it is burning so basically it contains a toxic gases and harmful particles that we can inhale during the burning phase which can directly goes to our lungs and irritated it. 2. If you have an asthma or other respiratory problems, it can really affect your health. It'll make your conditions worsened during the exposure to the toxic gases. So better stay out of it. 3. As I said, there are toxic gases and particulate matter that can cause our lungs a damages. It can also goes through our eyes and throats which can lead to a complication. 4. Burning plastics is really bad to our health which can also increased cancer risk. 5. The smokes from it contributes to the air pollution and climate change which worsen more. 6. It can also contaminated our soil and water because of the ashes and goes to the ground and water. It's really bad to our marine life.7. It can also harm animals and plants once they get the toxins. It will harm the ecosystems and wildlife and makes the world even worse.