The senator blasted her colleague for suggesting she wants a vote on Keystone purely for political reasons.
The Democratic leader said Obama should not delay his executive actions.
Rep. Luis Gutiérrez (D-Ill.) says the president gave Congress two years to act.
“Misery follows the tar sands,” the California Democrat said ahead of a key Senate vote.
In a slight shift, the House will return a day earlier than originally scheduled for the week of Dec. 8.
The senator vowed Republicans would approve the Keystone XL pipeline next year if Democrats fail on Tuesday.
The senator said he wouldn’t block Republicans from offering amendments to the bill.
Lawmakers in both chambers will spend the day debating environmental and energy policy.
Nearly 60 lawmakers skipped Monday's only House vote series.
The Senate advanced three of President Obama’s judicial nominations for Georgia courts.