Financial Times: Envoys in Paris have agreed an international accord to limit greenhouse gas emissions that marks a turning point in more than 20 years of effort to prevent dangerous levels of global warming. Envoys from nearly 200 nations cheered and hugged one another on the floor of the convention centre hall at Le Bourget airport, north of the city centre, as Frances foreign minister, Laurent Fabius, declared the new pact had been formally adopted, just before 7:30pm in Paris. The new pact, to be known as...