News bites: Al Gore warns of climate ‘sleepwalking,’ and more

Bloomberg takes the pulse of the battle over the Keystone XL pipeline ahead of a State Department hearing in Nebraska.

Project developer TransCanada’s route change to avoid an environmentally sensitive region of the state has led opponents to shift tactics.

“While oil spills remain a concern, environmental groups opposed to the pipeline have shifted their emphasis to the more complex charge that mining Canadian tar sands will result in more greenhouse gases and exacerbate global warming,” Bloomberg reports.

The Irish Times reports Al Gore’s latest comments on climate change.

The Huffington Post reports that a key Republican is “doubling down” on his skepticism about climate change.

Reuters looks at the uncertain fate of European emissions trading after lawmakers there “rejected a plan to prop up the world's biggest carbon market.”