Christopher Joyce

Christopher Joyce appears in the following:

Climate Change Complicates Predictions Of Damage From Big Surf

Wednesday, August 24, 2016

Earth's changing climate has made the quest to understand wave behavior more important than ever, scientists say. Rising seas, storm surge and dune and reef erosion all shape Florida's Gulf Coast.


Persistent Drought Kills Millions Of Trees In California Forests

Tuesday, August 23, 2016

Years of drought have strained California's forests, killing millions of trees and fueling wildfires.


As July's Record Heat Builds Through August, Arctic Ice Keeps Melting

Friday, August 19, 2016

July 2016 was Earth's hottest month on record. And Arctic ice has shrunk this year almost as much as it did in 2012 — the most severe melt to date.


Federal Data Shows Firefighting Chemicals In U.S. Drinking Water Sources

Tuesday, August 09, 2016

The study finds, in many cases, amounts barely higher than government guidelines allow, but significant levels in 66 water supplies. The chemicals are very persistent once in the environment.


Melting Ice In Greenland Could Expose Serious Pollutants From Buried Army Base

Friday, August 05, 2016

Camp Century was a research station and test site for deploying nuclear missiles before it was abandoned under the ice in the '60s. Scientists say pollutants left behind may spread as the ice melts.


Scientists Report The Planet Was Hotter Than Ever In The First Half Of 2016

Tuesday, July 19, 2016

For example, June's average was up 1.62 F. A couple of degrees may not sound like much, but it's persistent warming over decades that alters the atmosphere, the oceans, and most everything else.


NASA Scientists Predict Another All-Time Heat Record For 2016

Tuesday, July 19, 2016

During the 12 months from May 2015 to May 2016, each month set an all-time heat record. That's on average around the world. Some places were not record breakers, but overall, global warming is increasing. NASA scientists talk about what the rest of this year may look like, and whether it will set yet another global record.


Nonstop Flight: How The Frigatebird Can Soar For Weeks Without Stopping

Thursday, June 30, 2016

Scientists have been attaching transmitters on the huge seagoing birds and are astonished by their ability to stay aloft.


Beyond Sightseeing: You'll Love The Sound Of America's Best Parks

Wednesday, June 29, 2016

The National Park Service is racing to record soundscapes of each park that capture nature for the ear. "If we start to lose sounds of wilderness, we start to lose a piece of us," one scientist says.


Ancient Shipwreck Off Greek Island Yields A Different Sort Of Treasure

Tuesday, June 28, 2016

Divers exploring the famous Antikythera shipwreck, 200 feet beneath the water's surface in Greece, have turned up a heavy object they think might have been a powerful weapon in the first century B.C.


Fossils Suggest That Island Life Shrank Our 'Hobbit' Relatives

Wednesday, June 08, 2016

Scientists say tiny bones dating back 700,000 years on the Indonesian island of Flores shine new light on how these mysterious, 3-foot-tall creatures got that way.


Mysterious Cave Rings Show Neanderthals Liked To Build

Thursday, May 26, 2016

Deep in a French cave, researchers have found numerous ovals of broken stalagmites. They believe the rings were arranged by ancient Neanderthals.


Rising Seas Push Too Much Salt Into The Florida Everglades

Wednesday, May 25, 2016

Rising sea levels put extra pressure on coastal bedrock in South Florida. Eventually, as seawater moves in, it could contaminate plants on the surface and the region's stores of freshwater beneath.


Rising Sea Levels Made This Republican Mayor A Climate Change Believer

Tuesday, May 17, 2016

Already, neighborhoods flood more often in Coral Gables, Fla., and water has seeped up from beneath low-lying buildings and yards. Mayor James Cason wants his city prepared for the economic fallout.


Superhearing And Fast Growth ... Scientists Learn Why Sauropods Ruled

Tuesday, April 26, 2016

A nearly complete fossilized skull from Argentina helps explains the success of these giant dinosaurs that roamed some 95 million years ago.


On Earth Day, Nations To Sign Off On Historic Climate Pact

Friday, April 22, 2016

More than 100 nations will sign the climate change deal agreed to in December. It will eventually commit nealy all the world's governments to cut back on greenhouse gases that cause global warming.


Can The U.S. And China Keep Their Climate Pledges?

Thursday, April 21, 2016

The two nations topping the world in greenhouse gas emissions agreed at the Paris talks to cut way back. But critics have stalled a key part of the U.S. plan, and China's good start may be fragile.


Climate Change? Some People May Not Be Sweating It Because The Weather Is Nicer

Wednesday, April 20, 2016

Researchers say climate change has made weather more pleasant in many parts of the U.S. Winters have been milder, and summers haven't become much hotter. But that's likely to change in coming years.


U.S. Geology Maps Reveal Areas Vulnerable To Man-Made Quakes

Tuesday, March 29, 2016

Parts of Oklahoma and Texas have about the same risk of an earthquake as parts of California, the maps show. Why? Wastewater that oil and gas operations are pumping into wells adds pressure on faults.


To Make A Wild Comeback, Cranes Need More Than Flying Lessons

Wednesday, March 02, 2016

The 15-year project wasn't a flight of fancy. Biologists used a plane to successfully teach many young, captive-bred whooping cranes to migrate cross-country. But the birds aren't reproducing well.