Now Britain took issue with the base year of 1970.
The price in the base year is normalized to 100.
The base year, for the purpose of comparison, will be 2005.
Emissions changes may, for example, be measured against a base year of 1990.
Choosing between different base years of 1750, 1900, 1950, and 1990 has a significant effect for most countries.
They can go up or down, and they're measured against a base year: in this case 2007/8.
This makes it particularly important that we should take 1990 as a base year.
The problem, as environmentalists saw it, was that the law set a base year of 1985.
In the second commitment period, the base year shall be 1990.
Another controversial point is the choice of 1985 as the base year.
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