Tech Herald: U.N. Secretary-General Ban Ki-moon today welcomed the $1.1 trillion USD stimulus package agreed at the G20 summit in London, but warned that rich nations must honour their obligations to developing countries in order to avert a human development catastrophe. The U.N. head said the aid promised to developing nations will be “crucial” to help poorer nations ride out the global economic downturn and linked the downturn to food security and climate change. “I am pleased that G20 …