US President Joseph R. Biden recently announced ambitious new climate goals. What are the changes needed to reach these new targets? And how will they affect our lives? Climate policy expert Nathaniel Keohane explains.

Most countries are not on track to meet their 2030 emissions goals — so they must take swift, decisive and ambitious action to limit global temperature rise and keep the climate crisis from escalating. A quick look at the state of our climate and the next steps that need to happen.