Sydney Morning Herald: ACTION to reduce greenhouse emissions is lagging so far behind what the science tells us is necessary that some degree of warming is now inevitable, an expert warned yesterday. Cities like Sydney should take pragmatic measures to prepare for an inevitable degree of warming, for example by planning to lift port infrastructure as sea levels rise, building new water supply systems and devising plans to minimise heatwave-related deaths, said Michael Oppenheimer, a geoscientist at …