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EVAPOTRANSPIRATION
Penn State measured a green roof during a June 2002 heat spell; its membrane peaked near 30°C, while the uncovered roof surface climbed to nearly 70°C- 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
- Post-1949, China increased its forest cover from 10% to 25%, but scientists found an unexpected side effect: Tree planting shifted water away from East & Northwest towards the Tibetan Plateau
- In 2018, a University of Hawaii study compared green and white roofs in Honolulu; the green roof was reported to have lower peak temperatures at the surface and nearby airA University of Hawaii graduate student tested green roofs against white ones. The green roof proved significantly cooler than the adjacent...04 Sep, 2026, 02.00 PM IST
- Phoenix swapped black asphalt for a reflective road coating; noon surface heat fell 12°F, but pedestrians faced higher radiant heatIn an effort to lower urban heat, Phoenix tested innovative reflective pavement coatings on its roads, revealing that treated asphalt kept ...31 Aug, 2026, 05.22 PM IST
- In 2023, researchers found shade cooled Singapore streets by 0.8°C across 20 sites. Today, vegetation is estimated to save 228 GWh of energy yearlySingapore's trees offer significant cooling benefits for city streets. Shaded areas were found to be cooler, reducing heat stress for peopl...25 Aug, 2026, 05.18 PM IST
- In a 2023 study in San Severo, six medicinal crops grew beneath tracking solar panels; deep shade cut evapotranspiration by 81.1% but reduced biomass by up to 48.8%A recent investigation conducted in Italy examined the effects of growing herbs beneath solar panels. The findings revealed a significant r...25 Aug, 2026, 02.10 PM IST
- In 1981, China began planting billions of trees to restore degraded land. Decades later, the 78-billion-tree effort produced a surprising outcome: it altered the water cycle, sending more rain to some regions while drying out othersChina’s decades-long reforestation campaign has dramatically expanded vegetation across the country, including through the Three-North Shel...11 Aug, 2026, 10.38 PM IST
- Amazon trees kept a rainfall diary in their rings; it shows wet seasons grew up to 22% wetter while dry seasons lost up to 13.5% of their rainResearchers have discovered that ancient Amazonian trees provide vital climate information through their annual rings. By examining oxygen ...06 Aug, 2026, 07.06 PM IST
- 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
- The Amazon Makes Its Own Rain: How the Rainforest Recycles Moisture to Sustain ItselfThe Amazon rainforest actively generates its own rainfall through a vital moisture recycling process. Trees release vast amounts of water v...22 Feb, 2026, 10.03 PM IST
- ISRO working on mission to advance high-resolution thermal imaging for climate, resource managementThe TRISHNA mission, a collaboration between ISRO and the French space agency CNES, aims to monitor Earth's surface temperature, water stre...06 Jun, 2024, 12.04 AM IST
- Flash droughts are the 'new normal' in droughts: Study14 Apr, 2023, 05.22 PM IST
- Flying Rivers: The essential lifelines that keep Amazon Forest aliveFlying rivers are crucial for rainfall, and are considered essential to keep the Amazon forest basin healthy. However, in recent years, it ...25 Mar, 2023, 02.38 PM IST
- Deforestation, climate change making outdoor work unsafe: Study19 Dec, 2021, 04.27 PM IST
- Heatwaves to intensify in India from next year: StudyThe study said “El Nino Modoki”, a weather system different from El Nino, could be responsible for the increase in heat waves in India.18 May, 2019, 10.42 AM IST
- The precarious situation of India’s water problemA reduction in pollution over the subcontinent combined with a significant increase in forest cover can keep a weakening monsoon in check, ...02 Apr, 2017, 11.34 AM IST
- Dams may cause huge losses of freshwater: StudyDams and irrigation significantly increase evapotranspiration, an effect that increases the loss of freshwater to the atmosphere, thereby r...04 Dec, 2015, 05.15 PM IST
- New smartphone app to monitor agricultural water useMETRIC processes satellite images to make digital maps, and is currently being used by water managers in 15 states in USA.15 Oct, 2015, 02.46 PM IST
- Drought year stares Orissa as monsoon plays truantOrissa seems to be heading for yet another drought year if the monsoon trend so far is any indication.22 Jul, 2010, 10.22 PM IST
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