Ahead of the upcoming leadership contest, some within the Greens are asking why they haven't better capitalised on discontent with the traditional parties
More than 2,500 people have crossed the English Channel in the 11 days since the "one in, one out" migrant scheme took effect, Home Office figures show.
Some say Britain's decision is an important first step – while others worry it won't make a real difference, writes BBC's International Editor Jeremy Bowen.