Daily Echo: CLIMATE change activists, trade unionists and charity workers from Dorset will be among thousands of protesters taking part in a London march today in the run-up to the G20 summit. A series of events to coincide with the summit will get under way with a rally at Hyde Park which will hear calls for action to save jobs, support a low-carbon economy and stricter controls of the finance sector. More than 150 unions, environment, faith and development groups will take part in a …