General Requirements: State. Implementation Plan.The world's first environmental cleanup agreementor, more formal, the Montreal Protocol on Substances that Deplete the Ozone. The Protocol agreed to on September 16 in Montreal reflects substantial agreement on the need for a global response to the threat of ozone depletion. The Environmental Protection Agency (EPA) is proposing to act on two Utah State implementation plan (SIP) submissions related to visibility protection. The 2022 Ozone Assessment is the tenth such report, and contains the most up-to-date understanding of stratospheric ozone depletion. International Environmental Agreements: Is Kyoto Failing Because Montreal. Succeeded? Out international agreement, regulation, or transparency. Healing the Ozone Layer. Temperatures in the affected areas are expected to exceed 100 degrees with strong winds of 1020 mph.