However, Thomas points to a lack of critical discussion and explanation of the very basis for Prevent's community work, the rationale for how some areas are selected rather than others, and a lack of transparency about the proportion of spending on combating different types of extremism.
The Council of Europe has named it "the most effective tool for preventing and combating trafficking in human beings".
The G7 has plenty to talk about: Greece; Ukraine; the next set of development goals and how to finance them; climate change; trade; the weakness of the global recovery; how to engineer the exit from the zero interest rate environment of the past six years; combating systematic tax evasion; and tackling inequality.
"We will share our experiences in combating terrorism to defeat Boko Haram.
The smashing of cannabis production gangs is part of the Metropolitan police's new approach to combating organised crime by focusing on major criminal networks, rather than individuals, involved in illegal activity.
Achieving food security and combating malnutrition in the developing world also depends on improving the nutrient density of the crops.
The country reported 55 new confirmed cases, the lowest weekly total since late June 2014, and WHO chief Margaret Chan said on Wednesday it had made "tremendous progress" in combating Ebola.
Combating the deep-seated myths and stereotyping around people with schizophrenia, bipolar disorder and personality disorder is the aim of Rethink Mental Illness, which also does brilliant work in advocacy, advice and carer support.
Rabiu Musa Kwankwaso, a former defence minister who has spent years combating the militant group, said: "On TV they are exposing themselves to an intelligent military.
Chad's military is more formidable, with 20,000 soldiers battle-hardened by previous experience of combating insurgents.
Far below us, heading for its honorary home port in Hobart after another season spent in the Southern Ocean combating the Japanese whalers, was the Bob Barker, Sea Shepherd's flagship, "back from saving our whales", said Fin, our young pilot.
