The document outlines Helsinki's climate change policies and initiatives to reduce greenhouse gas emissions and transition to renewable energy sources by 2050. Some key goals include reducing GHG emissions 20% by 2020 from 1990 levels and having 20% of energy production from renewable fuels by 2020. Initiatives discussed include developing eco-efficient neighborhoods, increasing renewable energy production including wind and solar, promoting low-emissions transportation, renovating buildings to improve energy efficiency, and engaging residents to help achieve climate change targets.