The Senate hearing will dive into the recent increase in accidents of railcars carrying crude oil.
The package seeks to boost conservation at homes and federal agencies.
Whitehouse hopes the swing state will help make climate change a key issue in 2016.
House Speaker John Boehner (R-Ohio) on Wednesday called on the Obama administration to allow more exports of natural gas, which he said is a move that would help weaken the influence of Russia.
Chinese Premier Li Keqiang called pollution "nature's red-light warning."
Chipotle may stop serving guacamole if global warming continues to spike avocado prices.
President Obama released his budget proposal for 2015 on Tuesday, which aims to increase investments in natural gas research and fossil fuel developments.
The chamber will vote Thursday on legislation to scale back new carbon emissions rules.
A British environmental group says Keystone won't help U.S. meet global emissions goals.
His budget contains hundreds of millions of dollars to further regulatory initiatives.