"SOUTHERN OCEAN -- The Japanese whaling factory ship Nisshin Maru has collided with two whale conservation vessels and its own refueling tanker in Australia’s Antarctic waters, damaging the other ships. No injuries are reported."

A Texas company quit plans to build a coal-fired power plant -- blaming President Obama's environmental rules, but admitting the low price of natural gas was a key reason.

"Event billed as largest climate protest in US history intended as show of force as Obama nears decision on controversial project."

"Anonymous billionaires donated $120m to more than 100 anti-climate groups working to discredit climate change science."

"The US Supreme Court has denied a plea from anti-whaling group Sea Shepherd to end restrictions on its movement as Japan's whalers accused the activists of violating orders to stay away."

Some 48 prominent activists were arrested at the White House Wednesday when they protested the proposed Keystone XL pipeline, which they say will worsen climate change. The Obama administration faces an upcoming decision on completing the pipeline.

Pope Benedict XVI was known as the Green Pope.

"TransCanada, the company currently constructing the southern segment of the Keystone XL pipeline, claims to use 'top quality steel and welding techniques' throughout its pipeline network. Last week, however, activists fighting the construction of the pipeline released images of what they claim are improperly welded pipeline seams. The photos were released by Keystone XL blockader Ramsey Sprague at the Pipe Tech Americas 2013 conference in Texas and were taken by blockader Isabel Brooks."

"HOBART, Australia -- The month of January, usually the prime whale catching month for the Japanese whaling fleet in the Southern Ocean, has come and gone without the death of a single whale, says Sea Shepherd Conservation Society Australia Director Jeff Hansen."

"A trio of environmental groups warned Monday they would sue the operator of three coal-fired power plants in Maryland for allegedly discharging excessive amounts of nutrient pollution into Chesapeake Bay rivers and trying to mask their violations by transferring pollution 'credits' among facilities."