National (U.S.)

"Tesla sold more of its electric cars than expected in the first three months of the year, and it adjusts its first-quarter guidance to 'full profitability.'"

"Current climate-induced drought is slipping into a trend that scientists say resembles some of the worst droughts in U.S. history, like the Dust Bowl."

"These are good times for Libbey, a 125-year-old American glassmaker that nearly went bankrupt four years ago. The company’s shares have risen to almost $20 from below $1, sales of its tableware are at a record high, and its energy-intensive factories saved more than $5 million in 2012 as natural gas prices fell."

"MAYFLOWER, Ark. -- An ExxonMobil pipeline carrying tar sands oil from Canada broke open in Arkansas on Friday, spilling thousands of gallons of black diluted bitumen into residential streets outside Little Rock and forcing the evacuation of 22 homes."

"WASHINGTON -- The U.S. Supreme Court on Monday rejected a challenge by the oil lobby disputing a U.S. Environmental Protection Agency air pollution rule."

"James E. Hansen, the climate scientist who issued the clearest warning of the 20th century about the dangers of global warming, will retire from NASA this week, giving himself more freedom to pursue political and legal efforts to limit greenhouse gases."

"Nearly one in five high school age boys in the United States and 11 percent of school-age children over all have received a medical diagnosis of attention deficit hyperactivity disorder, according to new data from the federal Centers for Disease Control and Prevention."

"The EPA announced [March 27] that it will study the health and environmental risks of 23 chemicals, with an emphasis on chemical flame retardants that are found in many common products."

"OSHA devotes most of its budget and attention to responding to here-and-now dangers rather than preventing the silent, slow killers that, in the end, take far more lives. Over the past four decades, the agency has written new standards with exposure limits for 16 of the most deadly workplace hazards, including lead, asbestos and arsenic. But for the tens of thousands of other dangerous substances American workers handle each day, employers are largely left to decide what exposure level is safe."

"WASHINGTON -- The chemical pesticide lobby is waging a multi-million dollar battle to prevent regulation of chemicals linked to the dramatic escalation in the deaths of pollinating bees over the past year."