Human Population & Waste Management Review Flashcards
What is a megacity?
A city with 10+ million people (34 in total currently)
We would need (?) Earths to meet our annual consumption levels
1.8 🌎
Livestock now use (?) of the earth’s land and create more greenhouse gas emissions than driving cars!
25%
What can you tell about the relationship between women’s education level and fertility rates? What might be the reason for this?
Fertility rate ⬆️ = Education ⬇️ (vice versa)
Not all 🙋♀️ get an adequate amount of schooling in their life (3rd 🌎 countries 🇹🇿 ((tanzania)) so they decide to be housewives, growing the population. But 💁♀️ who do get adequate amount of education (💲💰, stable, countries) live to get jobs and work (as priority) and decide to start 👨👩👧👦’s later
List the four different revolutions that the human population has gone through
- Neolithic Revolution
- Industrial Revolution
- Medical Revolution
- Green Revolution
Neolithic Revolution
Hunter-gatherers to practicing agriculture
Industrial Revolution
Use of fossil fuels! (coal, then oil & gas)
Medical Revolution
Water & sewage treatment. Improvement in healthcare
Green Revolution
Development of pesticides ⬆️ irrigation and fertilizer use/technology
List two possible limiting factors that will affect the human population
- Water 💧 availability (fresh)
- Available land 🌎 for food production
- Energy ⚡️🔥 🌿
What does planned obsolescence mean? Give two examples of products
“Designed for the dump”
Example: plastic bags > electronics
What does perceived obsolescence mean? Give two examples of products
“Throw away stuff that’s still perfectly useful”
Example: phones, clothes, shoes
What are the three main sources of solid waste? Give examples of each
- AGRICULTURE 🚜 (farms, ranches, feedlots, slaughterhouses)
- INDUSTRIAL 🏭 (manufacturing, construction, mining)
- MUNICIPAL 🏠🏫 (homes, businesses, institutions)
Who is responsible for collecting and treating waste in Saskatoon?
Municipal or Regional governments
Describe two benefits that landfills provide
- IMMEDIATELY SOLUTION for Solid Waste Management
- Some landfills use gases produced by ways to GENERATE ELECTRICITY (without, waste would enter environments directly = harmful)
Benefits regarding incineration 🔥 (thermal treatment) of waste
✅️ > Reduces volume of waste (80-90%)
✅️ > Production of energy ⚡️
Concerns regarding incineration 🔥 (thermal treatment) of waste
❌️ > Air 💨 pollution
❌️ > Need more pollution control
Benefits regarding recycling ♻️
✅️ > Less pollution
✅️ > Fewer raw resources used to make things
Concerns regarding recycling ♻️
❌️ > Not pollution or energy-free (ironically) 🫨
❌️ > People must do it! Takes RESPONSIBILITY and education 🤯🧠
Benefits regarding composting 🪳🦠
✅️ > Rich plant food 🌱🍔
✅️ > Encourages awareness 🥰
Concerns regarding composting🪳🦠
❌️ > hard to find suitable options (not in my backyard / NIMBY) 👃🤢🤮
❌️ > can produce lechate that can enter environment if not collected 🧪🧫
List two ways that wealthy people and Nations have exploited natural resources and peoples
- Slavery ☹️
- Unequal exchange ✖️💸
What are the seven types of societal needs that the extracted resources create?
- Housing 🏠
- Healthcare 🏨
- Consumables 🍉🍗
- Communication 📞
- Services 🏛🏫⛪️
- Nutrition 🧊🌽🍌🍓
- Mobility 🚄 🚗 ✈️ 🛳 🚀
How is the “circular economy” movement different?
It’s a collection of strategies - (old) such as reducing, reusing, and recycling and (new) renting rather than owning things. The circular economy does not aim to end growth; it AIMS TO BEND HOW WE DO THINGS - back into harmony with nature, SO THAT GROWTH CAN CONTINUE 🌎 🫡 💪🥹
