Therefore, you may be tempted to choose running shoes for elliptical workouts with the assumption that running shoes will properly protect you from physical impact. However, running shoes are often too stiff for elliptical training, which requires a more flexible sole.
âThe Montreal Protocol puts limits on the production and consumption of ozone-depleting chemicals, creates an administrative scheme to enforce these limits, and requires periodic assessments of these limits.
The Montreal Protocol negotiators should get a lot of credit for developing such a flexible treaty. SAVING THE OZONE: It might not seem so long ago that the discovery of the hole in the ozone layer over Antarctica had us in a frenzy over CFCs in hairsprays and insecticides. In fact, on September 16 2012, it will be 25 years since the Montreal Protocol on Substances that Deplete the Ozone Layer was signed.