WikiCards · Card list · Nature cards · Montreal Protocol
Uncommon card · Nature
Montreal Protocol, an Uncommon card
The Montreal Protocol, officially the Montreal Protocol on Substances That Deplete the Ozone Layer, is an international treaty designed to protect the ozone layer by phasing out the production of numerous substances that are responsible for ozone depletion.
- Rarity
- Uncommon
- Domain
- Nature
- ATK
- 82
- DEF
- 51
- Power
- 133
- Wikipedia reads a year
- 110,000
Power 133 (ATK + DEF): stronger than 65 % of WikiCards cards.
Montreal Protocol quiz: 3 questions
Three questions on the Montreal Protocol card, the way WikiCards duels ask them. Pick an answer, the facts are just below.
Find the missing word
It was agreed on 16 ______ 1987, and was entered into force on 1 January 1989.
Answer
September. It was agreed on 16 September 1987, and was entered into force on 1 January 1989. From the Montreal Protocol article on Wikipedia.
Which of these cards hits hardest (highest ATK)?
Answer
Montreal Protocol. Montreal Protocol 82 · Baltimore oriole 72 · Colubridae 69 · Great Bear Lake 60 ATK in WikiCards.
In a duel, each round asks a question like these about the opposing card, with 15 seconds to answer.
The facts on the card
The card carries these facts from its Wikipedia article.
- It was agreed on 16 September 1987, and was entered into force on 1 January 1989.
- Since then, it has undergone several amendments and adjustments, with revisions agreed to in 1990, 1992, 1995, 1997, 1999, 2007, 2016 and 2018.
- The Montreal Protocol has been ratified by 198 parties, making it the first universally ratified treaty in United Nations history.
Why it is Uncommon
Rarity in WikiCards follows a year of Wikipedia page views: the most read articles become Epic and Legendary cards. The Montreal Protocol article was read about 110,000 times in a year. ATK comes from the length of the article and DEF from its quality, so this card hits with 82 and blocks with 51: each hit it takes is cut by 20 %.
How to get Montreal Protocol
Open packs. Each pack holds five cards drawn from real Wikipedia articles, the rarest last, and the fifth card is always Rare or better. The odds are shown in the game. A free pack arrives every hour and two can wait, and the Coins you win in duels buy more packs.
More Nature cards
Cards close in power
The cards just above and just below Montreal Protocol in the power ranking, all domains together.
- Laplace's equationUncommon · Science · ATK 74 DEF 59
- Mark 41 vertical launching systemUncommon · History · ATK 67 DEF 66
- Michelle AgyemangUncommon · Society · ATK 71 DEF 62
- VolumeUncommon · Science · ATK 67 DEF 66
- Abstract algebraUncommon · Science · ATK 71 DEF 62
- James TraficantUncommon · History · ATK 72 DEF 61
Card lists
- Wikipedia quizNew questions every day
- All cards from A to ZEvery card, by name
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Credits
Text : Wikipedia, Montreal Protocol (revision), CC BY-SA 4.0. Photo : NASA, Public domain, Wikimedia Commons.


