"WASHINGTON -- Moms, a few dads and some children gathered at the Capitol on Tuesday to urge Congress to strengthen the federal government's powers to regulate harmful chemicals."

"Free-market thinktank's conference opens in Chicago with president admitting defections are hurting group's finances."

"Chicago commuters have all the fun. Two weeks ago, there was the Heartland Institute’s Unabomber billboard likening a belief in climate change to psychopathy. This week, those stuck in traffic missed out on one larger-than-life retort to the Heartland campaign but will get to view another."

"PORTLAND, Maine -- Frank Knight's decades-long battle to save New England's tallest elm served as an inspiring tale of devotion, so it is fitting that he will be laid to rest in a coffin made from the tree he made famous. Knight, who died Monday at 103, had affectionately referred to the 217-year-old elm nicknamed Herbie as "an old friend." The massive tree succumbed to Dutch elm disease and was cut down two years ago."

"The Heartland Institute's board of directors was not consulted before the group launched an explosive billboard campaign last week, resulting in the resignation of one director and dismaying others, sources said."

"Industry giants say their case is misguided. But that isn't stopping a group of high school students from using the legal system to make environmental demands."

"The Environmental Integrity Project filed a Freedom of Information Act (FOIA) lawsuit Tuesday seeking details about dozens of White House meetings with interest groups to discuss Environmental Protection Agency regulations. The non-profit group, which advocates for the enforcement of environmental rules, filed the lawsuit after receiving no response from the White House Office of Information and Regulatory Affairs (OIRA) to a January FOIA request seeking more details on the meetings."

"With a simple statement on Tuesday, State Farm Insurance became the latest company to withdraw its support from the Heartland Institute, a Chicago-based think-tank which claims a 'realist' position questioning that humans are responsible for climate change."

"SALT LAKE CITY -- An environmental activist is asking a federal appeals court to overturn his two-year prison sentence for disrupting an auction of drilling parcels on public lands near Utah's national parks."

New undercover videos of cruel treatment of pigs in a facility raising them for meat raised questions that resonated across the US meat industry.

"The Heartland Institute's failed billboard campaign attacking the existence of climate change is driving a surge of corporate donors to abandon the group and prompting a mutiny among its Washington-based staff, which is decamping for less volatile surroundings, according to sources."

"Drivers moving along Chicago’s inbound Eisenhower Expressway on Friday may have been surprised to see Ted Kaczynski, the so-called Unabomber, staring at them from a massive billboard. 'I still believe in global warming. Do you?' the billboard read in large maroon letters. Just below was the Web address www.heartland.org. Hours later, the digital billboard was gone. It seems that the ad campaign, sponsored by the conservative Heartland Institute, had bombed."

"Fourteen Canadians were arrested for civil disobedience at 6 p.m. after sitting down on the tracks in front of an oncoming coal train in White Rock. Their vigil began at midnight, but Burlington Northern Santa Fe (BNSF) cancelled many of its scheduled runs in anticipation of the protest."

"A Fox TV commentator, midgame, links global warming to home runs, and fans on all sides of the climate debate call foul."

"The Sierra Club will try to use a 40-year-old legal settlement to scuttle plans by Dominion Resources Inc to convert a liquefied natural gas terminal in Maryland into a major export hub."