"With dozens of area farm workers looking on -- many wearing headphones to hear a Spanish translation of the proceedings -- the Monterey County Board of Supervisors on Tuesday urged Gov. Jerry Brown to take another look at a controversial, highly toxic agricultural fumigant."

"Leaked documents suggest that an organization known for attacking climate science is planning a new push to undermine the teaching of global warming in public schools, the latest indication that climate change is becoming a part of the nation’s culture wars."

"WASHINGTON -- In a quiet shift from the past two years, President Barack Obama's 2013 budget includes no new money for the Department of Energy loan guarantee program, the same program that House Republicans have scrutinized for losing more than $500 million in taxpayer dollars to the now-defunct solar power company, Solyndra."

"Although both Obama and DOE Secretary Steven Chu have said overhauling federal appliance efficiency standards and building codes is a critical priority, over the last year, progress has ground nearly to a halt."

TransCanada Corp, the backer of the Keystone XL pipeline project, on Tuesday again pushed back its already delayed schedule for building the pipeline. That may signal that the company believes current GOP gymnastics in Congress, trying to force the pipeline to be built, will have little effect -- but that conditions will be more favorable after the 2012 election.

"The United States should stop exports of natural gas to prevent domestic prices from rising, Democratic Congressman Edward Markey said on Tuesday while introducing two bills in the House of Representatives to prevent shipments.

The bills, which would face an uphill battle in the Republican-controlled House, come as U.S. regulators consider applications for exports of a glut of natural gas that has weighed down prices and caused some companies to step back from drilling.

"Libertarian thinktank keeps prominent sceptics on its payroll and relies on millions in funding from carbon industry, papers suggest."

"President plans to spend big on green cars and biofuels as Steven Chu says US wants to lead in clean energy technology."

"House Republican leaders are desperately searching for the votes to pass their $260 billion transportation bill this week."