Not only did Worldwatch send its biggest team ever to the Danish capital; with more than 100 heads of governments and many more parliamentarians and dignitaries, COP-15 became the largest assembly of world leaders in diplomatic history.
Hindi lamang Worldwatch magpadala pinakamalaking nito koponan kailanman sa Danish kabisera; na may higit sa 100 mga ulo ng pamahalaan at maraming iba pang mga parliamentarians at dignitaries, Kop-15 naging pinakamalaking pagtitipon ng mga lider ng mundo sa diplomatikong kasaysayan.