Under pressure to cope with the impact of rising temperatures, Greece’s emergency response planners are shifting tactics this summer. Greece is doubling the number of special unit firefighters after the warmest winter on record. (AP Video by Derek Gatopoulos, Michael Varaklas, Srdjan Nedeljkovic, Lefteris Pitarakis, Thanassis Stavrakis; Production by Theodora Tongas) (May 1)