Evolution of the situation. Ozone and greenhouse effect
Environmental impact of the cold and energy efficiency

Decisions taken to eradicate chlorine-containing fluids appear to be bearing fruit. The latest measurements show a halt in destruction, and experts expect the ozone layer to recover between 2065 and 2080.

Data from the IPCC Fourth assessment report 2007 ( § 7) (table 5) show that between 1998 and 2005 :

• a slight reduction (– 1%) in CFC content;

• a 33% increase in HCFC content, which is still present in over 50% of installations today;

• the increase in HFC content, on the other...