Elizabeth Shogren appears in the following:
Monday, July 28, 2014
To withstand their 9,300-mile migration, red knots feast on eggs from horseshoe crabs each spring in Delaware Bay. Scientists worry many crabs are starting to lay eggs before the birds can get there.
Thursday, May 29, 2014
Next week President Obama will unveil his plan for the first nationwide program to control greenhouse gas emissions from the electrical power sector. States that have already started to control such emissions say it's not as hard as they thought it would be. They've ended up exceeding their goals, largely because of abundant natural gas, which burns more cleanly than coal.
Tuesday, May 06, 2014
A new U.S. government report tells an unambiguous story: The planet is warming, climate change is driven primarily by people and it's already affecting Americans, through more frequent or intense heat waves, downpours and, in some regions, floods or droughts.
Wednesday, April 30, 2014
A deadline U.S. Secretary of State John Kerry set to either end or extend the Israeli-Palestinian peace talks has expired. Kerry says the next step is a pause.
Wednesday, April 30, 2014
Environmental groups that have mired the Keystone XL pipeline in delays now are focusing on LNG export terminals. They say opening up exports of natural gas will hasten domestic hydraulic fracturing.
Tuesday, April 29, 2014
The Supreme Court is upholding a major EPA air pollution rule. The rule seeks to rein in pollution from power plant smoke stacks which can make the air in downwind states unhealthy. Researchers say the rule finally addresses a disconnect between the science of air pollution and the laws that had tried to clean it up.
Tuesday, April 29, 2014
As President Obama returns from his trip to Asia, he's defending the trip's modest diplomatic accomplishments. He says that, while such efforts may not be sexy, they're better than unforced errors.
Saturday, April 05, 2014
The Justice Department wants the settlement with mining company Kerr-McGee to send a powerful message: corporations can't shirk their responsibility to clean up the toxic legacies of their operations.
Monday, March 31, 2014
Since the world community banned whaling, Japan has continued to permit its fleet to kill whales under the guise of scientific research. The International Court of Justice in the Hague Monday ordered Japan to stop whaling in the Antarctic Ocean. Japan says it will abide by the ruling.
Wednesday, March 26, 2014
West Virginia's drinking water crisis earlier this year highlighted an unsettling truth about tap water: Treatment plants test for only a fraction of the chemicals in use.
Monday, March 24, 2014
The Exxon Valdez spill happened 25 years ago Monday, and only 4 years ago this spring, a British Petroleum well spewed millions of gallons of oil into the Gulf of Mexico. New research shows the effects of such disasters on the fish in those regions. The study focuses on commercially valuable fish and finds that concentrations of oil can be toxic to developing fish hearts.
Saturday, March 22, 2014
In the aftermath of the 1989 oil spill off the Alaskan coast, scientists expected the worst damage to be short-lived. Instead, the spill shattered conventional wisdom about oil's affect on wildlife.
Tuesday, February 25, 2014
Methane is a potent greenhouse gas from oil and gas production. The rules require companies to find and repair equipment leaks. The rules also will reduce air pollution that contributes to smog.
Monday, February 24, 2014
The case focuses on the Clean Air Act permitting required of companies that want to build or modify facilities expected to emit a lot of gases. Critics call the requirement costly and time-consuming.
Saturday, December 28, 2013
Global warming is pushing species like the polar bear to the brink of extinction. It's not a typical conservation problem, so one government biologist discovered the best way he could help save the great white bears was to quit his job.
Sunday, December 01, 2013
Biologists armed with truck-mounted spotlights, flea spray, and anti-plague vaccine roam the South Dakota grasslands each night, five months a year, as part of a 30-year rescue mission.
Tuesday, November 19, 2013
Colorado and California both just proposed new regulations for oil and gas production in their states. Both states have been pushed by environmental concerns to establish rules tougher than federal requirements. If Colorado's proposal goes ahead, it would be the first state in the nation to directly regulate methane. California also says its proposed rule would be the toughest in the nation. It regulates the engineering technique called hydraulic fracturing, or fracking.
Wednesday, September 04, 2013
Decimated by hunters, insecticides and other human pressures in the 1960s and 1970s, America's emblematic bird is once again flying high. Roughly 10,000 mated pairs now nest in the continental U.S., up from about 500 in the 1970s. But more birds also means fierce competition for territory and mates.
Friday, August 16, 2013
The carvings etched into limestone boulders near Pyramid Lake in western Nevada show that the early North Americans were surprisingly creative artists. The carvings, which are at least 10,000 years old, are abstract, geometric designs including shapes that look like diamonds and trees.
Wednesday, August 14, 2013
The electricity system is experiencing growing pains as the grid is beginning to rely on an increasing amount of renewable, particularly unpredictable sources of power like wind farms and solar panels. So grid operators are turning to individual customers to beef up redundancy and capacity.