"Environmental officials in six liberal states are warning that Congress is going too far in blocking states’ rights to regulate chemicals."

"The first genetically modified food animal has been approved for sale in Canada."

"The EPA announced new drinking water health advisory levels today for the industrial chemicals PFOA and PFOS. The new levels — .07 parts per billion (ppb) for both chemicals — are significantly lower than standards the agency issued in 2009, which were .4 ppb for PFOA and .2 ppb for PFOS."

"House and Senate negotiators reached agreement on Thursday on far-reaching legislation to overhaul the nation’s 40-year-old law governing toxic chemicals, a compromise that would subject thousands of household chemicals to regulation for the first time.

Public health advocates and environmentalists have complained for decades that the 1976 Toxic Substances Control Act is outdated and riddled with gaps that leave Americans exposed to harmful chemicals. Under current law, around 64,000 chemicals are not subject to environmental testing or regulation.

"New report says genetically engineered crops are safe to eat but weed resistance and other unanswered environmental questions should be cause for more regulatory oversight."

"A House committee on Wednesday passed a bill to delay the Obama administration’s new ozone pollution rule and change the way the federal government writes future air pollution rules."

"Ontario has passed legislation creating a cap-and-trade system to fight climate change, which the government predicts will add $5 a month to home heating bills and 4.3 cents to the price of a litre of gasoline, or $8 a month on average."

"The Supreme Judicial Court of Massachusetts ruled on Tuesday that the state must impose comprehensive cuts in greenhouse gas emissions to comply with the Global Warming Solutions Act, a law passed by the legislature in 2008."

"U.S. regulators on Wednesday proposed a modest increase in the amount of corn-based ethanol and biofuels that fuel producers must mix into diesel and gasoline in 2017, disappointing two major industries: Big Corn and Big Oil."

"Leading lawmakers in the House and Senate said Tuesday evening they are in the final stages of hammering out a compromise bill to reform federal chemical safety standards."