A team of six Year-12 students from Yavneh College in Hertfordshire won Transport for London's (TfL) innovation competition by proposing a project called Urban Greening, aiming to convert bus roofs into gardens with plants to reduce carbon emissions and introduce green walls at stations.

In this Moment Debate, Saul Elbein argues that changing personal behavior is key to saving the planet, while Mona Charen argues that it is not.

The podcast discusses Joe Biden's ambitious goal of cutting carbon emissions in half within nine years and the political implications of such a promise.