Here’s a quick look at some of the headlines from this week:

 

A video was released on YouTube this week documenting a police assault on a non-violent protester taking part in New York’s Critical Mass last Friday:

The Officer, the Bicyclist and the Video

Police Investigate Officer in Critical Mass Video

 

The EPA has come under fire for failing to adequately regulate greenhouse gas emissions in coastal states:

EPA Managers Warned Not to Answer Inquiries

Senate Democrats call for EPA chief to resign

Earthjustice Will Sue EPA to Reduce Global Warming Pollution from Ships and Aircraft

 

A large ice-chunk this week broke off of the largest remaining ice shelf in the Arctic:

Huge Chunk snaps off storied Arctic ice shelf

Canadian Arctic sheds ice chunk

Arctic ice bigger than 2007, but thawing long-term

 

Officials are taking action in an attempt to reduce air pollution in preparation of the 2008 Summer Olympics in Beijing next week:

Beijing may ban 90 percent of cars for Olympics

Beijing air improves with wind and rain