Stephen O. Andersen protecting the stratospheric ozone layer. At EPA he rose to Deputy Director for Stratospheric Ozone Protection and then transferred to the Climate Protection Partnerships Division, where he was Director of Strategic Climate Projects until his retirement from government in 2009. The timing of Andersen’s arrival at EPA was fortuitous. 1987 proved to be a watershed moment in the effort to stop ozone depletion, which increased risks of skin cancer and threatened to wipe out crops and ecosystems, among many adverse impacts. The Montreal Protocol on Substances that Deplete the Ozone Layer was agreed on 16 September 1987 and created a
Encrypted Title Key normal result of updating a recordable MKB shall also use these same protocols. These protocols are: - Recovery Protocol When the Encrypted Title Keys are in a Separate File: In this case, the original recording device shall rename the old encrypted Title Keys to a defined temporary name before beginning to write the new encrypted Title Key File. -Recovery Protocol When the Encrypted Title Keys are in the Content File: In the extreme case, each content file contains its own encrypted Title Key. In that case, it is not likely that there is a temporary version of the encrypted Title