"Royal Dutch Shell PLC's announcement [Monday] that it is putting an indefinite pause on its Arctic exploration activities could play a major role in the Obama administration's decision whether to hold additional oil and gas lease sales in the region."

"The holy grail of space exploration is to find extraterrestrial life. An important precursor to that is finding liquid water—and that's exactly what NASA [Monday] announced scientists have discovered on Mars."

"Republican U.S. presidential candidate Jeb Bush will lay out energy policy proposals on Tuesday that seek to spur job growth and take aim at President Barack Obama's plan to limit carbon emissions from power plants."

"Volkswagen’s diesel deception unleashed tons of extra pollutants in the United States, pollutants that can harm human health. So while many commentators have been quick to say that the cheating engines are not a highway safety concern, safety — as in health — is still an issue."

"A majority of Republicans — including 54 percent of self-described conservative Republicans — believe the world’s climate is changing and that mankind plays some role in the change, according to a new survey conducted by a trio of prominent Republican pollsters."

"The Environmental Protection Agency unveiled revised rules aimed at better protecting farmworkers from pesticides, an overhaul that brings safeguards for agricultural laborers closer to parity with employees in other industries."

Father John Rausch, an unassuming 70-year-old, has been helping the poor in Appalachian Kentucky and working on the environmental problems that plague them for more than 40 years.

"The Environmental Protection Agency is set to release a contentious new rule limiting surface-level ozone pollution."

"The Environmental Protection Agency (EPA) is moving forward with new rules to ensure that shipments of hazardous waste are safely imported and exported."

"MIDDLETOWN, Calif. — The firefighters collapse in driveways and fields to steal a moment’s rest. They sleep in their engines, sprawled across fire hoses or slumped over steering wheels. After days of hacking dead brush and setting defensive fires across flaming mountains, their 24-hour rest breaks are cut short when a new fire rears up."