People of conscience all know that in order to leave our children and grandchildren a healthy planet, we have to eventually stop burning fossil fuels. But eventually is criminally slow. Every year of inaction perpetuates pollution and illness, accrues mounting sunk costs, and compounds the difficulty of an equitable transition to clean energy. In response, Carbon Free Chicago keeps its eyes on the clock and this end in mind:

By Sunrise on Earth Day 2050, we Chicagoans will no longer burn fossil fuels to heat or power our buildings, vehicles, industry, or grid.