The senator called for reforming the EPA renewable fuel standard.
The senator demanded any tax extender package to include the wind energy tax credit.
Four senators missed late votes Monday but are in town for the key energy measure.
The senator said the country would suffer from “dumb disease” if the Keystone XL oil pipeline isn't built.
The senator blasted her colleague for suggesting she wants a vote on Keystone purely for political reasons.
“Misery follows the tar sands,” the California Democrat said ahead of a key Senate vote.
The senator vowed Republicans would approve the Keystone XL pipeline next year if Democrats fail on Tuesday.
Lawmakers in both chambers will spend the day debating environmental and energy policy.
The senator said President Obama shouldn’t trust China to reduce its greenhouse gas emissions.
The minority leader chided Democrats for delaying construction of the pipeline for six years.