Tag: nature
Monarch butterflies threatened by loss of habitat
Every year, monarch butterflies migrate 2,000-miles from the north to a few mountaintops in central Mexico. But a new study shows that monarch numbers are declining significantly. One ecologist says the monarch's decline could indicate other habitation problems....
Researchers suggest supplemental feeding as a potential solution to save polar bears
The rapidly melting sea ice in the Arctic is threatening the livelihood of polar bears and their prey. In response, a group of researchers is suggesting a program of supplemental feeding as a potential solution....
Pacific island nations band together as overfishing takes toll on global tuna supply
Soaring demand and soaring prices for tuna on the global market has sent fishing through the roof. It's also led to a dramatic decline in tuna populations. The waters off a handful of central Pacific islands have the only remaining healthy populations -- and those are coming under threat now too....
Flood refugees begin returning to Jakarta; Indonesia braces for more rain
Jakarta is often beset with flooding, but heavy rains and commercial developments made the past week's flooding especially widespread, and also especially egalitarian -- inundating the homes of both the poor and the wealthy....
Animals adopt varying techniques to get through long days of winter
Coping in the cold months of winter can often be a drag for humans. But for animals who hibernate or migrate they have developed strategies to get through the cold dark season....
What's behind the grizzly bear attacks in Yellowstone?
Grizzly bears killed two people last year in Yellowstone National Park. After 24 years of no deadly encounters, many people were left wondering what caused the fatal attacks. Some said global warming had depleted the bears' normal food sources. Others say the answer is much simpler....
Controversy swirls over Canadian plan to build vast new hydroelectric plant in Labrador
As Canada confronts its need for electricity and a desire to reduce the amount of carbon it pumps into the atmosphere, it's turning to two, large hydroelectric dams in Labrador. But there's potential for other environmental damage that has many in the area saying "no thanks."...
New research survey suggests urban trees are on the decline
Research from the U.S. Forest Service found that in 19 of 20 U.S. cities surveyed, urban trees are on the decline. The vital piece of urban infrastructure are declining an average of three percent per year....
Japanese fisherman embrace tsunami as a chance to reinvent their industry
In the wake of last March's tsunami, Japan's fishing industry was devastated. Towns were wiped from the map, boats and fishing equipment were smashed to pieces. But from the rubble some fishermen have found a new way forward....
Physics theory suggests everything that moves is based on a 'flow system'
Constructal law, designed by Duke University professor Adrian Bejan, is a new way of looking at how the world works. According to the law, everything that moves, whether animate or inanimate, is based on a flow system, which is tree shaped....
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