Answer:
Kyoto Protocol
Explanation:
The Kyoto Protocol, which got its name form the location it was signed at, in Japan, was signed in 1997 and enacted in 2005.
Its goal is to reduce the greenhouse effect gases by about 6% for 2012 and about 20% by 2020. The targets vary a bit depending on the country, based on its past pollution rate and the development of its economy.
The greenhouse gases are linked to the climate warming, which amplifies extreme meteorological events.
The ratio of starlight to sunlight is much, much smaller than 0.5%. A value of 0.0000001% is far more accurate.
In Mexico, the head of the government is the President - so a) is false.
Also, in both countries there is freedom of religion (they might be Christian majority countries but they're secular) and freedom of Speech
The correct answer is that they both struggle with b. Corruption and high crime rates -for example in Mexico this is caused by the War on Drugs.