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Obama plans 'assault' on climate change
02:06 - Source: CNN

Story highlights

Obama outlines second-term environmental priorities in address on climate change

He directs EPA to establish carbon pollution standards for plants

Texas-to-Canada Keystone pipeline in final stages of government review

March poll: 47% think the government is doing too little to protect the environment

Washington CNN  — 

President Barack Obama unveiled an aggressive new climate change strategy on Tuesday that would limit pollution from existing coal-fired power plants, and he made clear that approval of the Keystone XL pipeline depended on the project not increasing overall greenhouse gas emissions.