Protecting The World's Oceans
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Oceana biologists and divers have documented accidental catches on board a Spanish fishing vessel.
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Cities around the world are facing the danger of rising seas and other disasters related to climate change.
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Tackling air pollution, contaminated drinking water and other environmental problems could save millions of lives annually around the world, the World Health Organization said in a report Wednesday.
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When environmental protestors boarded a Japanese whaling ship in the Southern Ocean, images of the action quickly flashed on the world's TV sets, followed by photos from the Japanese ship after the protestors were taken into custody. Getting these images out is crucial if either side is to win the global PR battle, but doing so can be problematic when you're at sea, thousands of kilometers from the nearest cell phone network or broadband connection.
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Untreated sewage pouring into the world's seas and oceans is polluting their water and coastlines and endangering the health and welfare of the people and animals that inhabit them, according to a bleak new U.N. report released Wednesday on the threats to the world's marine environments.
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Introducing a global water ETF.
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Unraveling the genetic map of diatoms -- microscopic sea creatures -- could pay big dividends in defending the world's ecological systems. By Kristen Philipkoski.
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By Steve Connor  Marine biologists have called on the fishing nations of the world to end government subsidies of fishing fleets that are plundering the deep seas and permanently stripping the ocean floor of its unique lifeforms.
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Â· Millennium goals within reach for much of worldÂ· Unsafe water undermines educational reforms
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When environmental protestors boarded a Japanese whaling ship in the Southern Ocean, images of the action quickly flashed on the world&#39;s TV sets, followed by photos from the Japanese ship after the protestors were taken into custody. Getting these images out is crucial if either side is to win the global PR battle, but doing so can be problematic when you&#39;re at sea, thousands of kilometers from the nearest cell phone network or broadband connection.To solve their problems, both sides take advantage of digital video and photo technology to get the footage, then look to the skies and tap into the global satellite communications network run by London-based Inmarsat. The company specializes in providing voice and data services to maritime vessels and other users at sea, or in remote areas that traditional telecommunications networks don&#39;t reach.On Tuesday, as the protestors approached the Japanese whaling vessel &quot;Yushin Maru 2,&quot; a digital video camera was rolling onboard the small inflatable craft sent from the Sea Shepard Conservation Society&#39;s ship, &quot;Steve Irwin.&quot; The camera caught the moment when two of the conservationists jumped aboard, and within seconds the video was speeding back toward the Steve Irwin on the inflatable.Once back onboard, the video was fed into a Macbook Pro laptop and edited into a 13MB MPEG2 clip that was just 12 seconds long, said Jonny Vasic, a spokesman for the society.&quot;One of our big tools in these whale wars is these video and digital still cameras. They really help us expose the bad guys,&quot; said Vasic.The clip was then sent via satellite to the society&#39;s FTP server and made available to the world&#39;s media.The ship&#39;s satellite communications system is a $35,000 &quot;Sailor Fleet 77&quot; unit that was donated to the society last year by Australia&#39;s Bluetongue Brewery. It supports up to 256Kbps&#160;transmission, although actually getting that speed depends on several factors. In calm seas, a gyro-based mount keeps the antenna pointed at the satellite, but in heavy seas, maintaining a reliable signal can be a problem. Keeping the link gets increasingly difficult as the ship goes further south because the satellite appears very low on the horizon.&quot;It&#39;s about 90 percent reliable,&quot; said Vasic.Crew onboard the &quot;Steve Irwin&quot; are also using the satellite link to attempt to send e-mail to the Japanese ship, in addition to marine-band radio calls, in an attempt to secure the release of their two members, who remain aboard the &quot;Yushin Maru 2.&quot;The Institute of Cetacean Research, the Tokyo-based organization that operates the &quot;Yushin Maru 2,&quot; declined to comment on the technology at its disposal, citing security reasons.&quot;I&#39;m sorry to say, you might be Greenpeace posing as a journalist,&quot; said Gabriel Gomez, a spokesman for the group in Tokyo, when contacted by telephone on Thursday.The systems employed by the Japanese group don&#39;t appear as sophisticated. Only a handful of still images from the ship have been released by the group to the media, and they are a relatively low VGA (640 pixels by 480 pixels) resolution. No video has been made available.The satellite communications technology being employed by the two ships is increasingly being used by media, governmental and relief organizations in remote areas. Earlier this month, Cable News Network (CNN) won a Technology and Engineering Emmy Award for its satellite news gathering system based on Inmarsat&#39;s BGAN broadband system. The BGAN system offers a standard IP (Internet Protocol) connection as fast as 492Kbps and is small enough that it can be built into a backpack.
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Seasat 1 gives oceanographers their first in-depth look across the world's broad ocean environment.
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Buoy to monitor CO2 absorption The first ever system designed specifically to measure the acid levels in the oceans was launched this week. The project, funded by the US's National Science Foundation (NSF), aims to determine how much CO2 the Pacific Ocean absorbs each year.â¦
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Science & environment: An armada of robot submarines and marine sensors are to be deployed across the Atlantic
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The oceans are absorbing carbon dioxide that has built up in the air, turning water more acidic and creating potentially catastrophic conditions for marine life.
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A leading environmental group called Friday for protection for the great white shark and humphead wrasse coral fish, whose numbers have plunged because of overfishing and China&#39;s growing appetite for exotic foods.
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A survey of the world's oceans is turning up more than two new species of fish a week and revealing huge trans-ocean migration routes by creatures from turtles to tuna, scientists say.
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Microscopic plastic debris could be poisoning the world's oceans, according to a British team of scientists.