Sentence examples for That cfc from inspiring English sources

But it appears that CFC reduction has not been as rapid as hoped.

The problem with this claim — and therefore the colorful label that producers stick onto their products — is not its veracity, but the fact that CFC has been banned for decades already.

The main one is that CFC's were produced by a handful of companies and affordable substitutes were within reach.

In the early 1970's, when scientists first reported that CFC's could destroy ozone, some theorized that the effect would be most discernible in the highest reaches of the atmosphere over the tropics, partly because of the abundance of sunlight.

Notably, the results also show that CFc may pose a higher threat to the city of Naples than the better-known Mount Vesuvius.

From these properties and from the inspection of high-resolution transmission electron micrographs we conclude that CFC with well-defined morphology can be produced using concentrated solar radiation.

The CFC story started in 1974 with the publication by Mario Molina and F. Sherwood Rowland of their conclusion that CFCs were migrating to the upper atmosphere and destroying the ozone layer.

But by showing that CFC-related ozone destruction can occur in conditions other than the cold ones at the poles, the study suggests that the full recovery of the ozone layer may be further off than previously considered.

No. Understanding that CFCs were eating the ozone hole, governments agreed to phase them out.

It had already been demonstrated in the mid-1970s that CFCs posed a threat to the global ozonosphere, and in 1978 the use of CFCs as propellants in aerosol cans was banned in the United States.

Although work by the chemists Paul Crutzen, Mario Molina and others in the 1970s had shown that CFCs could react with ozone, there was no empirical evidence that such destruction was actually happening.