Reuters: Indian physicist and environmental activist Vandana Shiva said the financial crisis showed it was high time for countries to rebuild local, diverse farms to become independent from global turmoil. “The lesson to be learned from the financial meltdown is that the world is at a tipping point,” Shiva told Reuters at the Frankfurt Bookfair on Thursday, where she is promoting her new book “Soil not Oil”. “When one thread rips somewhere its effect is felt around the world,” said …