The Senate represents the individual states with 2 senators per state. Currently, the Senate is evenly divided between political parties with Democrats dominating coastal areas and Republicans dominating the interior. Filibustering is the major obstacle to passing legislation in the senate, and by extension Congress.
The US Supreme Court has limited EPA’s authority to regulate greenhouse gases, but leaves open options for the EPA to fight climate change. The ruling came as part of a series of rulings led by the new conservative supermajority. The basis of the ruling was the “major questions doctrine” which leaves other regulations potentially vulnerable.
Democratic Senator Joe Manchin said in an interview for Fox News on 19th of December that he could no longer support the BBBA, taking the White House by surprise. Manchin revived hopes in March by proposing a new approach which would have sufficient funding for climate provisions from the BBBA The clock is ticking for the Democrats with the Midterm elections in November, which could potentially result in Republican control over the US Congress.