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What part of the world's population is living in urban areas?
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מיין לפי
מוניטין: 105
טירוף
מוניטין: 1
דווקא נשמע מדאיג לדעתי
מוניטין: 295
בחוויה שלך
מוניטין: 7
בהויה שלו
מוניטין: 1
מעניין, יש לבדוק לעומק את הנושא
מוניטין: 3549
"כולם הולכים העירה"
מוניטין: 0
GPT explains (level =C2; CEFR aligned):
The urban half-century milestone
According to the UN’s 2024 population update, just over 56 % of humanity now lives in urban areas; that proportion passed the 50 % tipping point in 2007 and is on track to reach roughly 68–70 % by 2050  . The figure masks stark regional contrasts—Latin America already exceeds 80 % urban while much of sub-Saharan Africa remains below 45 %—yet the global trend is unequivocal. Urban planners therefore work with a working premise that two-thirds of the world’s population will be city dwellers within a single generation, with all the attendant infrastructure and sustainability challenges that implies.
מוניטין: 46
הכי ספציפי
In what parts of the world the vast majority of the population are already urbanites ?
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מיין לפי
What is the definition of urbanization ?
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מוניטין: 0
GPT explains (level =C2; CEFR aligned):
Urbanisation is demographic, territorial and cultural
The term captures three intertwined transitions:
• People – a sustained rise in the share of the population residing in settlements officially classified as urban;
• Land use – conversion of cropland, forest or rangeland into built surfaces devoted to industry, commerce, housing and infrastructure;
• Lifestyles & norms – diffusion of consumption patterns, employment structures and social values emblematic of city life.
Only the conjunction of all three processes differentiates full-blown urbanisation from a mere population shift or a single zoning decision, hence “all of the above” is the most rigorous definition.
Urban 'Ecological footprint'
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מיין לפי
מוניטין: 265
השנה (נכון לפברואר 2020) השאלה בבוחן המסכם הייתה נראית ככה:
Urban 'Ecological footprint'
א. Is the land within a city on which the urban infrastructure is builds upon
ב. Includes mostly minerals used to produce materials consumed in the city
ג. Captures only the GHG emissions related directly and indirectly to the urban activity
ד. Captures the land requires to produce the natural resources (food, timber etc.) consumed in the city and the forest area required to sequester carbon dioxide emissions
והתשובה הנכונה היא - ד
מוניטין: 354
אז מה זה בעצם "Urban ecological footprint"?
זה מדד שמעריך כמה שטח טבעי פרודוקטיבי (חקלאות, יערות, מים וכו') דרוש כדי לתמוך באורח החיים העירוני – כולל ייצור מזון, אנרגיה, חומרי גלם וגם ספיגה של זיהום.
והוא לא מוגבל לגבולות הפיזיים של העיר — אלא כולל שטחים מכל העולם שהעיר תלויה בהם.
Urban and natural systems have several points of resemblances, including:
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6. Which of the following factors shapes the rate and magnitude of urban environmental impact and the potential of advancing urban sustainability?
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What measures can local authorities take to advance urban sustainability?
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מיין לפי
מוניטין: 0
Municipal sustainability playbook, a.k.a. “How to look busy until the auditors leave”
All of the above – planning power, service provision, and leading by example – because nothing says ‘urban renaissance’ like a by-law, a recycling bin and a PowerPoint on LED retrofits.
• Regulatory muscle: city hall rubber-stamps density, transport corridors and green belts – then “regrets any inconvenience” while approving the next glass tower.
• Service buffet: waste, water, transit, parks; every line item an annual invitation to spend less money we don’t actually have.
• House in order: public buildings upgraded to Passivhaus spec… right after we patch the 1923 boiler that keeps the council chamber above freezing.
• Why choose? Tick every box, issue a press release, add a rooftop garden to the staff car park and call it climate leadership 🥱.
Yes, we know the answers are ‘all of the above’. That’s the joke: when everything is a driver, nothing is a lever; when every measure is adopted, none is sufficient. Enjoy the cognitive dissonance. 🚬
The Global Greenhouse Gas emissions (GHG) is strongly connected to cities:
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What the term 'urban metabolism' means?
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מוניטין: 30
9. What the term 'urban metabolism' means?
The flow of materials and energy through a city and its related byproducts (i.e., waste. 1)
Urban import of materials from different parts of the world .2
A way to evaluate the quality of life of urban resident .3
A way to measure urban residents food consumption .4
זו השאלה בEDX (בוחן סופי חלק 7)והאפשרות הנכונה היא הראשונה
Urban sustainability can be defined as:
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מוניטין: 0
1. Minimize Resource Vampirism 🧛♂️💧
• Extraction Diet: Cities traditionally gulp down resources—timber from distant forests, water from shrinking aquifers, energy from planet-cooking power plants.
• Sustainable Slim-Down: Urban sustainability demands we nibble instead of guzzle—LED streetlights, graywater reuse, rooftop gardens—each measure a tiny band-aid on our collective hemorrhage.
2. Waste Generation on a Leash 🚯🐀
• Landfill Overload: Mountains of discarded packaging and spoiled produce are humanity’s modern Stonehenge—monuments to our consumption sins.
• Circular Economy Choreography: Think “reduce, reuse, recycle” on steroids: composting mandates, zero-waste policies, and industrial symbiosis where one factory’s excrement fuels another’s furnace.
3. Quality of Life (QoL) — The Golden Goose 🥇🏙️
• More than Survival: You can’t simply cage folks in tiny, carbon-neutral apartments and call it a day—people crave parks, cultural hubs, reliable transit, and broadband that doesn’t buffer forever.
• Equity & Access: Urban sustainability isn’t about green billionaires in eco-mansions; it’s ensuring every cab driver, nurse, and barista breathes decent air and doesn’t spend half their paycheck on rent.
4. The Carrying Capacity Straitjacket 🌍🪢
• Local Limits: A city’s hinterland can only feed, fuel, and furnish so many people before soils erode, aquifers collapse, and biodiversity plunges.
• Global Overshoot: Even if your town recycles like a demon, you’re still part of the planetary metabolism—import too much steel, electronics, or exotic foods, and you tip the Earth’s scales.