웹2024년 5월 23일 · Since 2013, annual emissions of the banned chemical Chlorofluorocarbon-11 (CFC-11) from that region have increased by about 7,000 tonnes, according to a report in peer-reviewed journal Nature. 웹NASA images courtesy of the Goddard Space Flight Center Scientific Visualization Studio. Caption by Rebecca Lindsey. These images show computer predictions of what would have happened to the ozone layer over the mid-latitudes of the Western Hemisphere if CFCs had not been banned by the Montreal Protocol. Image of the Day for May 21, 2009.

Banning CFCs Helped Us Avoid an Even Worse Climate Catastrophe …

웹1일 전 · Dichlorodifluoromethane ( R-12) is a colorless gas usually sold under the brand name Freon-12, and a chlorofluorocarbon halomethane (CFC) used as a refrigerant and aerosol … 웹2024년 7월 9일 · Banned chlorofluorocarbons (CFC) are being blatantly used in China's plastic foam industry, claims a green campaign group. A recent spike in emissions of the gas, a potent destroyer of ozone, has ... hr. bukhari no. 2465

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Carbon tetrachloride (CCl4) was used in fire extinguishers and glass "anti-fire grenades" from the late nineteenth century until around the end of World War II. Experimentation with chloroalkanes for fire suppression on military aircraft began at least as early as the 1920s. Freon is a trade name for a group of CFCs which are used primarily as refrigerants, but also have uses in fire-fighting and as pro… 웹2024년 11월 4일 · Emissions of CFC-11, which had risen unexpectedly since 2012, ... the landmark environmental accord of the 1980s that banned CFC-11 and similar chemicals collectively known as ... 웹20시간 전 · Craig McPherson, the Rangers Women assistant coach, has been given a six-game ban by the Scottish Football Association after headbutting Fran Alonso, the Celtic hr.olbia.aereo