The dairy industry has set a goal of 25 percent reduction in greenhouse gas emissions by 2020. (sciencedaily.com)
The new rules will be phased in starting in 2012 and require a roughly 5 percent cut in greenhouse gas emissions, along with a boost in fuel efficiency every year thereafter. (scientificamerican.com)
The current policy works to achieve a 30 percent reduction in greenhouse gas emissions by 2020 from 1990 levels. (earth911.com)