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.
In the U.S. the use of methyl bromide is regulated by: 1  Montreal Protocol. 2  The Montreal Protocol is an international treaty developed to protect the earth from the detrimental effects of ozone stratospheric depletion.