Small island nations such as Tuvalu in the South Pacific face a wide range of threats from climate change, including rising seas that will inundate the land.

Five Frightening Observations From the Latest International Climate Change Report

Adaptation cannot save us from all the negative impacts of pumping greenhouse gases into the atmosphere

The Lake, Petworth: Sunset, Fighting Bucks, painted by J.M.W. Turner around 1829, was one of several works studied to see if there was a connection between the colors used in the image and volcanic particles in the atmosphere at the time of the painting's creation.

How Paintings of Sunsets Immortalize Past Volcanic Eruptions

The balance of reds and greens reflects the amount of tiny particles in the atmosphere, scientists say

When viewed from space, Earth looks like a water planet. But nearly all of that is saltwater and undrinkable.

A World of Water Woes

From the Middle East to the Caribbean to Australia, people around the world are dealing with water scarcity

Genghis Khan attacked and captured the Jin capital of Zhongdu (now Beijing, China) in 1215, in one of many campaigns that expanded the Mongol Empire.

Warm, Wet Times Spurred Medieval Mongol Rise

Genghis Khan—and his army of men on horseback—benefitted from boom in grasslands

The Weddell Sea is covered in ice during the Antarctic winter. But in the winters of the mid-1970s, satellite imagery detected a large-ice free area the size of New Zealand.

Climate Change Felt in Deep Waters of Antarctica

A surge in freshwater at the surface may have shut down mixing of water layers in the Weddell Sea

Congo's second civil war ended in 2003, but ongoing conflict has left millions displaced. Two million were forced from their homes in 2012, for instance, due to violence in the eastern part of the country.

Congo’s Civil Wars Took A Toll On Its Forests

Conflicts drove the human population deep into protected areas, satellite maps reveal

A deep chill covered much of the eastern half of the United States this winter. Winds known as the polar vortex did not blow in as tight a formation as they have in the past. When they loosened, they let Arctic air spill south, seen by the blue in this picture. Atmospheric scientist Jennifer Francis says that this pattern can be blamed on Arctic warming.

Why We Can Blame A Warm Arctic For This Winter’s Icy Chill

Arctic amplification is affecting the jet stream and letting weather systems persist longer, atmospheric scientist says

Plumes of steam rise up from many spots along the Firehole River in Yellowstone National Park.

Yellowstone Belches Ancient Helium

Gas stored in the Earth’s crust for hundreds of millions of years is released by volcanic hotspot

Coal was once the most common source of energy in the United States, but it has been overtaken by petroleum and, more recently, natural gas.

Natural Gas Really Is Better Than Coal

If too much methane leaks during production, though, the benefits will be lost

Lake Waiau in Hawaii shrunk to the size of a pond in just a few years. Scientists still aren't sure why the lake began to dry up.

A World of Vanishing Lakes

From the Dead Sea to a Louisiana lake that was sucked into the Earth, the stories behind the disappearances are varied

The Holmes of BBC/Masterpiece's Sherlock, played by Benedict Cumberbatch, uses a mnemonic device straight out of ancient Greece—the mind palace.

The Secrets of Sherlock’s Mind Palace

The BBC/Masterpiece sleuth employs a memory technique invented by the ancient Greeks

Australia has a long record of devastating tropical cyclones, such as Yasi, which made landfall in Queensland in February 2011. But a new study finds such storms to be on the decline.

Australian Cyclone Activity Hits Record Low Levels

Climate change may explain the recent drop, scientists say

The New Madrid seismic zone, in the center of the United States, is highlighted bright pink in this earthquake hazard map created by the U.S. Geological Survey in 2008, reflecting the increased likelihood that a strong earthquake could strike that region.

Large Earthquakes Still Possible in the Central United States

The region shook in 1811 and 1812, and scientists say it could happen again

California redwoods can live for more than a thousand years.

Save the Big Trees!

A large tree grows more quickly and sucks up a lot more carbon than a smaller one, scientists find

Nuclear tests, such as Operation Redwing in 1956, deposited radioactive plutonium and cesium in the atmosphere.

Plutonium From Nuclear Tests Lingers in the Atmosphere

Don’t worry, scientists say that it’s not a threat to human health but instead could be a marker of how air circulates

A black mangrove has taken root in this salt marsh in St. Augustine, Florida.

Fewer Freezes Let Florida’s Mangroves Move North

Climate change has extended the range in which mangroves can survive the winter, letting them take root farther north and invade salt marshes

A magnitude 7.6 earthquake struck Costa Rica on September 5, 2012, producing a strong shaking through much of the country.

Scientists Successfully Forecasted the Size and Location of an Earthquake

Well before Costa Rica shook in a magnitude 7.6 quake in September 2012, geoscientists forecasted that the region was due for a magnitude 7.7 to 7.8 quake

Santa could make his home on floating sea ice, but the Arctic may be ice free as early as 2016, according to the U.S. Navy.

Six Ways Climate Change Is Waging War on Christmas

If Santa really lived at the North Pole, he would have drowned long ago--his icy abode is slowly melting

The Northern Hemisphere's mid-latitudes have experienced many heat waves in recent years, such as one that fueled Rocky Mountain wildfires in summer 2012. Warmer-than-normal temperatures appear red in this NASA image of North America on June 28, 2012.

Summer Heat Waves May Be Linked To Sea Ice Loss

As ice melts, the jet stream gets stuck in the north, causing warm weather to linger in the south--but the reason why this occurs remains unknown

Scientists had to use a remotely operated vehicle to retrieve temperature sensors from a borehole drilled into the Japan Trench, 6,900 meters below the surface of the Pacific Ocean.

Fault That Caused Japan's 2011 Earthquake Is Thin and Slippery

A group of scientists drilled miles beneath the Pacific Ocean, uncovering conditions that made the Tohoku-Oki earthquake and tsunami so devastating

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