The future of our climate might be summed up in one question: what do we do about coal?
Coal generates nearly half the electricity in the United States and the world. But it's the dirtiest fuel of all when it comes to carbon dioxide, or CO2, the leading greenhouse gas.
Last week, the Obama administration declared, for the first time, that CO2 is a threat to human health and it plans to impose limits. But making coal safe will come at an astronomical cost.
After the economy, this could be the biggest debate in Washington. One of the most … Read more