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Tomorrow s Cities: Sustainable Mobility, Compact Districts, Green Space
March 30, 2021
9:00 AM - 10:30 AM EDTOnline
By nature, cities are exciting, diverse, vibrant places. At the same time, they can be loud, polluting and exhausting. How can we reimagine our cities for the future? How can we create urban environments with environmentally friendly transport, less noise, accessible green spaces and compact, mixed-use development?
This webinar will highlight a vision for tomorrow’s cities developed by the German Environment Agency (Umweltbundesamt) and what it means in the global context of sustainable urban development. This vision includes 10 wide-ranging measures to achieve a city of the future – one of less traffic, fewer cars, and fewer health and climate hazards. In this future city, space is more effectively and economically utilized for sustainable mobility, recreation and living overall.
German Study of HFO and TFA Due in Early 2021 By Michael Garry, Jan 13, 2021, 14:17 • 5 minute reading Research project will focus on the refrigeration/air conditioning sector, amid growing industry concerns about the long-term environmental impact of TFA.
When it escapes into the atmosphere, the HFO R1234yf – used widely in motor vehicle air conditioning and in food retail applications in blends with HFCs – lasts only up to two weeks. It then breaks down completely into trifluoroacetic acid (TFA), a highly durable and mobile substance.
TFA descends via rainfall as a form of “acid rain to the earth; there it accumulates in various bodies of water, including rivers, streams, lakes and wetlands.