Reduce non-security discretionary spending below 2008 levels, which saves $76 billion.

Additionally, Austin Energy has a goal to reduce carbon emissions 20% below 2005 levels.

The Protocol sets binding emission targets for developed countries that would reduce their emissions on average 5.2 percent below 1990 levels.

Yale is committed to reduce its greenhouse gas emissions 10% below 1990 levels by the year 2020.

For the European Union, the target is to reduce emissions to 8 percent below 1990 levels.

Cornell agreed after student protests to seek to reduce greenhouse emissions to 7 percent below 1990 levels.

They explored the best ways to reach California's goal of reducing greenhouse gas emissions in 2050 by 80 percent below 1990 levels.

Pemex officials said they would reduce emissions to 1 percent below 1999 levels.

The cap would get tighter over time, until by 2050, emissions would be reduced to 63% below 2005 levels.

To reduce emissions 50% by 2050 below 2000 levels.