Question 1

True or false: The Montreal Protocol is primarily known for phasing out ozone-depleting substances like CFCs.

Accepted Answer

True. Yes, the 1987 treaty targets CFCs, halons, and other substances that destroy the stratospheric ozone layer.

Question 2

True or false: The Montreal Protocol has successfully closed the Antarctic ozone hole completely.

Accepted Answer

False. The ozone hole is healing but not fully closed; full recovery is expected around 2066 over Antarctica.

Question 3

True or false: The Montreal Protocol was originally designed to combat climate change, not ozone depletion.

Accepted Answer

False. Its original goal was protecting the ozone layer. Its climate benefits (e.g., reducing greenhouse gases) were a later bonus.

Question 4

True or false: The Montreal Protocol was signed in 1992, after the Rio Earth Summit.

Accepted Answer

False. It was actually signed on September 16, 1987, in Montreal. The Rio Summit happened five years later.

Question 5

True or false: The Montreal Protocol bans all use of methyl bromide, a pesticide, in every country worldwide.

Accepted Answer

False. It phases out methyl bromide but allows critical-use exemptions for specific agricultural purposes where no alternatives exist.

Question 6

True or false: The Kigali Amendment to the Montreal Protocol targets hydrofluorocarbons (HFCs), which are potent greenhouse gases.

Accepted Answer

True. Adopted in 2016, the Kigali Amendment phases down HFCs, which don't harm ozone but contribute to global warming.

Question 7

True or false: The Montreal Protocol is the only UN treaty ever to be ratified by every country on Earth.

Accepted Answer

True. It achieved universal ratification in 2009, making it the first UN treaty with 197 parties (all UN members).

Question 8

True or false: The Montreal Protocol includes a financial mechanism called the Multilateral Fund to help developing countries comply.

Accepted Answer

True. Established in 1990, the Multilateral Fund provides financial and technical assistance to developing nations for transitioning away from ODS.

Montreal Protocol Trivia Questions