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Politics : The Environmentalist Thread -- Ignore unavailable to you. Want to Upgrade?

To: Maurice Winn who wrote (22198)	7/15/2008 10:19:00 AM
From: Wharf Rat	Read Replies (1) \| Respond to of 36917

Ocean seeding fails the acid test 12 June 2008 Michael Reilly Magazine issue 2660 IT ALL seemed too easy by half: to beat global warming just sprinkle some iron in the ocean, then watch as algae bloom en masse, sucking up carbon dioxide by the tonne. Now the idea is looking increasingly unlikely to go ahead in a big way. In the wake of a UN moratorium on the practice, the latest research suggests that seeding will trigger the build-up of an acid that can be lethal to marine organisms and humans. The idea of ocean seeding has been controversial ever since it was first explored over a decade ago. Not enough is known about where the carbon goes once algae gobble it up, for instance, or whether the plants even bloom enough to appreciably lower atmospheric CO2 levels (New Scientist, 15 September 2007, p 42). Last month, the UN Convention on Biological Diversity agreed that the potential dangers outweigh the benefits: its ... Paywall environment.newscientist.com

To: Maurice Winn who wrote (22198)	7/15/2008 10:33:39 AM
From: Hawkmoon	Read Replies (1) \| Respond to of 36917

It will certainly mess with magnetic navigation if the poles flip! Thank goodness for GPS and inertial navigation - invented just in time to avoid total confusion. No doubt on that.. Think of all of kinds of misguided foul flying W or E for the winter.. ;0) Hawk, the magnetic force at the sun is negligible. Gravity works at a distance, magnets don't. Not sure I can agree with you.. Don't know enough about it, but there is a growing number of astrophysicists who are seeing phenomena that can't be explained by gravitational forces alone: space.newscientist.com A couple of books I want to buy discuss this new theory in astrophysics. Not saying they are correct (having insufficient knowledge), but certainly food for thought: jamesphogan.com jamesphogan.com thunderbolts.info Hawk