The Joe Biden-Kamala Harris Administration enters office on the back of an ambitious climate agenda, departing from four years in which the White House was largely indifferent or even antagonistic to climate priorities. On the surface, the Biden-Harris climate agenda sends powerful signals to the international community, to business and to sub-national governments. Beneath the surface, the agenda will face a number of challenges to implementation. So what can we expect to see in the Biden-Harris Administration’s first year?