A huge backlog of almost 50 million letters was being cleared today after postal workers accepted a deal to end a dispute which sparked wildcat strikes across the country. But post boxes in cities ...

The training materials below are designed to facilitate the preparation of national communications (NCs) by non-Annex I Parties in accordance with the guidelines of the Conventions (decision 17/CP.8).

Alexander likely adopted the method from the ancient Persians, who had been training pigeons for communication since the 5th century BCE. Some historians believe that Chandragupta Maurya established ...