 If you live or work in a city, we have news about your future. New research shows climate projections of 2 or 3 degrees C warming are not for you. The trouble is, numbers you hear about warming are the global average, so that includes the oceans covering about 70% of the planet's surface. More than half of all humans live in cities now, and the United Nations projects that will go to over two-thirds by 2050.