Supreme Court weighing energy companies' bid to end climate-change suit
The Supreme Court is hearing arguments Monday over a bid by Exxon Mobil and Suncor Energy to block a lawsuit filed by the city and county of Boulder over the effects of climate change.

<p>The Supreme Court is hearing arguments Monday over a bid by Exxon Mobil and Suncor Energy to block a lawsuit filed by the city and county of Boulder over the effects of climate change.</p>