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Incredible as this may seem, the farm is not some utopian dream; it is a reality. The crop being harvested is remarkable seaweed, the giant kelp (Macrocystis pyrifera), the fastest-growing vegetable in the world.

KINGSTON, Ontario, Jun 25 (IPS) - North America's abject failure to meet the challenge of climate change has been "un-American", environmentalist and scientist David Suzuki told delegates Tuesday at the World Wind Energy Conference, the first ever in the region. "We're facing an ecological crisis, a crisis far, far worse than Pearl Harbour," Suzuki said. Twenty years ago this week, one of the United States' leading scientists warned Congress of the imminent danger of climate change and said that waiting decades to take action was too risky. Now James E. Hansen of the National Aeronautics and Space Administration has published new research indicating that greenhouse gas concentrations have pushed the climate near a dangerous tipping point that will unleash far-reaching changes in the atmosphere and oceans that could take millennia to reverse.

As a largely unexplored renewable source, marine and hydrokinetic energy - or ocean power - is gaining traction as the next best thing in the power industry.

It looks more sleek and futuristic (or retro-futuristic, if you're much versed in vintage SF) than other prototypes, a creature more adapted to fictional outer space than to the oceans. But something about its bulbous main compartment led us to wonder if there is enough room inside for seasteaders to muck about with nation-building. Amidst all those noisy condensers and turbine generators and navigational gears, perhaps even inspired by them, they try to formulate the mechanics of a new micro-civilization, new identities and new cultural traditions.

Here's a wave power technology which you may not have heard of: It's called the Searaser and (though only in prototype stages, I've got some reservations about how well it may scale up, as well as the name which somehow I always see as 'Sea Eraser') it may be worth watching. The principle is fairly simple and proven in a different context: Use the Searaser to pump quantities of sea water up a hill where it can be stored in ponds until needed and then released downhill to drive hydroelectric turbines to create power. This is how the Searaser works:

Following last summer's record minimum ice cover in the Arctic, current observations from ESA's Envisat satellite suggest that the extent of polar sea-ice may again shrink to a level very close to that of last year. Envisat observations from mid-August depict that a new record of low sea-ice coverage could be reached in a matter of weeks. The animation above is a series of mosaics of the Arctic Ocean created from images acquired between early June and mid-August 2008 from the Advanced Synthetic Aperture Radar (ASAR) instrument aboard Envisat. The dark grey colour represents ice-free areas while blue represents areas covered with sea ice.

New satellite measurements show that crucial sea ice in the Arctic Ocean has plummeted to its second-lowest level on record. Arctic ice always melts in summer and refreezes in winter. But more and more ice is being lost and not recovered. The National Snow and Ice Data Center in Boulder, Colorado, announced Wednesday that the extent of sea ice in the Arctic is down to 2.03 million square miles. The lowest point on record is 1.65 million square miles set last September. With about three weeks left in the melt season, the record may fall, scientists say.

Visitors to Rehoboth Beach, Del., soon may be greeted by more than sand dunes, seagulls and beach umbrellas. If offshore wind advocates have their way, scores of 140-foot blades will be spinning in the ocean breeze nearly a dozen miles away, barely visible to the sunbathers.

WASHINGTON (April 23, 2008) - An investigation of the Environmental Protection Agency released today found that 889 of nearly 1,600 staff scientists reported that they experienced political interference in their work over the last five years. The study, by the Union of Concerned Scientists (UCS), follows previous UCS investigations of the Food and Drug Administration, Fish and Wildlife Service, National Oceanic and Atmospheric Administration, and climate scientists at seven federal agencies, which also found significant administration manipulation of federal science.

Against a background of escalating tension between the US and Russia over events in Ukraine, oil companies from each country have been working to overcome the numerous challenges of extracting oil from the Arctic Ocean. Having completed one of the largest Arctic expeditions in history to understand the challenges, the partnership has now started to drill.