The best national geographic videos,survival camping gear checklist 2014,report power outage louisville ky weather - PDF Books

A 23-second exposure in a camera mounted in the tail of a Lockheed TriStar jet captures the lights of the airport runway and the city beyond.
With 10,000 watts of light and cutting-edge submersible technology, the Titanic comes to life from two and a half miles beneath the ocean’s surface. A quarter million Muslims jam Haram Mosque in the holy city of Mecca to pay homage to Allah. Rolling through the snow, Prince Philip takes his four-in-hand carriage out for an early morning drive along a path near Windsor Castle. Montana cowboys brand and castrate their livestock—a familiar yearly ritual in cattle country.
Scorching sun casts long shadows as camels cross the salt flats of Lake Assal, Djibouti, one of the lowest places on Earth at 512 feet below sea level.
Click here to visit iTunes and purchase the 50 Greatest Photographs of National Geographic iPad app now. The Arctic Ocean's sea ice is in a "death spiral" due to rising temperatures, scientists said in 2008. Polar bears—like this one leaping between ice floes in Svalbard, Norway's Hinlopen Strait—live on the Arctic ice, hunting seals and other fatty marine mammals.
Permafrost—the frozen soil that forms the backbone of the Arctic tundra—is melting due to climbing global temperatures. Thermokarst failures occur when permafrost—a layer of frozen soil in Earth's polar regions—thaws and becomes unstable, possibly releasing greenhouse gases into the atmosphere.
Freezing water from beneath Earth's surface forces the ground upward in Canada's Mackenzie River delta. Caribou—such as this large-antlered specimen silhouetted by Alaska's northern lights—are being affected as global warming accelerates in the Arctic.
A forest of dead spruce trees near Homer, Alaska, is the victim of a tiny beetle that has boomed in the state's milder winters.


The Inuit, a group of indigenous people living in the Arctic, are finding their land and cultures rapidly changing as climate change deepens its grip.
The National Geographic Society aims to be an international leader for global conservation and environmental sustainability.
Here South Africa’s Kalahari Gemsbok National Park is joined by a fenceless border with Botswana’s larger Gemsbok National Park, representing an African trend toward transnational parks allowing wildlife free rein in their natural ecosystem.
A young girl atop one of the animals herds them forward toward her family’s tent and a break for food and rest. Those in the center (blurred in this time exposure) circle the black-draped Kaaba, most sacred of Islamic shrines. Many marine species, such as these narwhals swimming through a bay in Nunavut, Canada, depend on the ice throughout their life cycles. But as the ice vanishes, some experts predict this predator will also disappear from the Arctic by 2050.
In Alaska, the mercury may rise by 1 to 5 degrees Celsius (1.8 to 9 degrees Fahrenheit) by 2100.
Though the features occur naturally in some parts of the Arctic, many scientists suspect that rising temperatures are causing more to form.
Much of the basin is made up of permafrost, a layer of frozen soil in Earth's polar regions. In Greenland, caribou time their births to coincide with the blooming of tundra vegetation. Since the mid-1970s, about 50 percent, or 1 million acres (400,000 hectares), of the Kenai Peninsula's adult spruce trees have succumbed to the spruce bark beetle.
But as temperatures rise, thicker, taller shrubs are spreading throughout the region, raising the likelihood for more fires in coming years. As ice declines, so does the number of days available for Inuit to hunt for animals such as seals and walrus.


When individuals pledge to use less water in their own lives, our partners carry out restoration work in the Colorado River Basin. Daily we add hundreds of pictures, dozens of videos, flash games, celebrities and other great stuff. In this false-color image of Alaska's North Slope, taken by NASA's Terra satellite, the blue-black color shows the many ponds of meltwater that collected on the coast in July 2007. Until 2003, thermokarsts—such as this one, located about 155 miles (about 250 kilometers) north of the Arctic Circle—were unheard of in northern Alaska.
Loss of permafrost due to climate change in Canada's Northern Territories may increase runoff and sediment flowing into rivers and make some slopes more unstable and vulnerable to landslides. But as climate change causes plants to peak earlier, caribou newborns that eat the plants face tougher odds for survival.
The swaths of downed trees may actually turn forests from carbon sinks to sources, according to an April 2008 study. Tundra burning may also release more organic carbon, a greenhouse gas currently stored in the soil, into the atmosphere.
Shifting winds are also reshaping ice formations used as landmarks for generations, making navigation more difficult. For instance, when dead trees decompose, they release the greenhouse gas carbon dioxide into the atmosphere.
But, as Theo Ikummaq of Canada's Nunavut Province said, "We have lived in this region for centuries and we will continue to.



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