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CHICAGO GREEN ROOF
Chicago planted a 20,300-square-foot green roof on City Hall; EPA says its surface can be about 100°F cooler than nearby conventional roofs and saves nearly $5,000 in energy each year- In St. Paul, Penfield added a vegetated roof over a conventional membrane; monitoring found the green-roof membrane peaked about 51°F cooler than the conventional roof
- Argonne modeled Chicago’s August 2021 heatwave with different roof types; white roofs lowered air temperature by nearly 2°C and cooling energy use by 16.6%
- Researchers replaced a bare roof with plants; green roof surfaces stayed 30 to 40°F cooler in summerGreen roofs cool surfaces by up to forty degrees Fahrenheit, reducing urban heat island effects. Evapotranspiration from plants cools build...05 Aug, 2026, 06.03 PM IST
- Cleaner city design can cool Barcelona by up to 1.75°C, but new white roofs and parks still cannot offset the more than 6°C warming scientists project by 2100, leaving heat risk high in the neighborhoods that need help mostAmerican cities are facing a deadly surge in heat-related deaths, with fatalities more than doubling since 1999. A new study reveals that w...23 Jun, 2026, 05.02 PM IST
- Rare Derecho threat looms over South Dakota as historic windstorms return; how it has impacted South Dakota over the yearsA dangerous weather system threatens eastern South Dakota as meteorologists warn of a potential derecho formation on July 28. This rare and...29 Jul, 2025, 01.49 PM IST
- 'The Great Gatsby': Who was he and why does he still matter 100 years later?The Great Gatsby remains one of America's most enduring and widely discussed novels, a century after its publication. F. Scott Fitzgerald's...04 May, 2025, 08.18 PM IST
- Why being climate ‘positive’ is the buzzy new goal of green buildingThese structures, often featuring distinctive tilted roofs for solar energy capture, aim to offset the substantial carbon emissions associa...20 Nov, 2024, 09.53 AM IST
- Operating the perfect cooling center is harder than it looksAjo, Arizona, faced daily temperatures exceeding 100F in June and July, with limited cooling options. The town recently introduced a solar-...15 Aug, 2024, 09.54 AM IST
- Winter storm with snow, ice, wind and bitter cold pummels much of the northern USHeavy snow and strong winds made driving virtually impossible in parts of Iowa, so much so that Republican presidential hopefuls called off...13 Jan, 2024, 11.06 AM IST
- India & Dubai driving innovation, fueled by the ‘hungriest people’ for change: DHL's Amadou DialloIndia and Dubai are spearheading logistics innovations, and both are set to play pivotal roles in shaping tomorrow’s logistics innovations,...29 Dec, 2023, 11.25 AM IST
- Curtain call: From 'Friends' star Matthew Perry to Lisa Marie Presley, influential people who passed away in '23A list of celebs who left us in 2023.04 Dec, 2023, 11.35 PM IST
- Full text of PM Narendra Modi's address to US CongressThe prime minister addressed the US Congress on Wednesday where he talked about the Indo-US bond and highlighted the issue of terrorism.09 Jun, 2016, 04.25 PM IST
- Prime Minister Narendra Modi's full speech at the US CongressIn granting me this opportunity, you have honoured the world's largest democracy and its 1.25 billion people.09 Jun, 2016, 12.29 AM IST
- For iconic high-rises, going green is coolAfter 78 years, Manhattan’s signature office building had lost its sheen as one of the city’s most desirable places to work.06 Jul, 2009, 03.28 AM IST
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