President Biden sought Wednesday to focus on climate change, signing an array of executive actions, including one that directs federal agencies to invest in low-income and minority communities that have traditionally borne the brunt of pollution. He also imposed a moratorium on new federal oil and gas leasing and announced he would host an international climate summit on Earth Day in April.

A week into Biden’s presidency, the Senate is also moving forward with hearings and votes on several of his Cabinet nominees and preparing for an impeachment trial of former president Donald Trump.

Here’s what to know: