Waste management

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Writing the Future: Sustainability in Our Laws | Catherine Blakespear | TEDxEncinitas Blvd
TEDx Talks· 2025-07-28 15:18
[Music] I'd like you each to put your hands out in front of you, palms facing down, and take a look at the veins in your hands. Your circulatory system is transporting oxygen and nutrients to all parts of your body and it's also transporting microplastics. This is microplastics in your blood and in many ways this is horrifying.We think about the public health effects that we will see. Long-term studies are underway to determine what is the effect on human health. But initial studies are dire.There are conne ...
Soil: A Lagacy to Preserve for the Future | Rouzbeh Salehabadi | TEDxUniversityofTehran
TEDx Talks· 2025-07-16 15:37
Environmental Issues in Iran - Iran accounts for 8% of global soil erosion, despite comprising only 1% of the Earth's land area [2] - The country experiences an annual soil erosion rate of 165 tons per hectare, approximately 7 times the global average [2] - The average land subsidence rate in Iran is 15 centimeters per year, which is 5 times the global average [2] - 49% of the Iranian population is currently affected by land subsidence [2] - Iran produces 58,000 tons of waste daily, with 48,000 tons originating from urban areas [2] Waste Management Practices - Only 3% of waste in Iran is incinerated, 5% is recycled, and 147% is used for compost production, while 80% is landfilled [2] - Iran ranks 120th globally in sustainable waste management, managing only 198% of its waste according to global standards [3] - 70% of household waste in Iran is organic, compared to 10% in the United States [3] Potential Solutions and Perspectives - The industry should shift its perspective on soil from a problem to be solved to a question to be lived with [4] - Proper landfill site selection and engineering design are essential, including leachate management and gas capture for energy production [3] - Viewing inaction as a choice, emphasizing the need for awareness and responsibility in environmental decisions [4]
They Take in What We Take Out | Kate Gu & William Zhang | TEDxYouth@YCYWShanghai
TEDx Talks· 2025-07-08 15:24
Creatures [Music] [Applause] from all around the world create waste. And honestly, who do you think creates the most. Yes, it's us, humans.What if I were to tell you that this was garbage that me, a kid, made in a day. And that doesn't even count the mice I made in school. Sounds extraordinary, right.Hi, I'm William. I'm Kate. Every year, we produce over 11 billion tons of waste worldwide.Our oceans, which cover up 70% of the Earth's surface, are facing an unpredictable crisis. Astonishingly, every day, 3 b ...