recommitted to slowing the warming of the planet. and world leaders speaking with increasing urgency have been begging for action. >> enough of killing ourselves with carbon. enough of treating nature like a toilet. enough of burning and drilling and mining our way deeper. we are digging our own graves. >> if we fail, they will not forgive us. they will know that glasgow was the historic turning point when history failed to turn. >> the collective goal limiting global warming to 1.5 degrees celsius. scientists saying that's the critical threshold beyond which the world must not cross. our team is covering these stories from both sides of the atlantic. kaitlan collins live in edinburgh. manu raju live on capitol hill. the president selling his agenda in scotland but his fate is in the hands of u.s. lawmakers or in the hands of just one lawmaker. >> joe manchin making clear he