washington/oslo devastation hurricane irma caribbean sharpen demand small island nations top fossil-fuel consumers help cope damage attributable climate change accord representatives countries put island nations collision course unite state rich countries unite nations climate talk bonn germany november unite state president donald trump express doubt global warm vow withdraw global pact fight wealthy nations long resist call pay climate-related loss damage abroad ever case loss damage ronny jumeau u.n. ambassador indian ocean island nation seychelles tell reuters refer irma recent storm seychelles member u.n. negotiate bloc alliance small island state aosis hurricane irma graphically show destructive power climate change underscore loss damage abstract concept reality life today people contribute least problem say thoriq ibrahim maldives environment minister chair aosis fiji prime minister frank bainimarama whose country host bonn talk nov. 6-17 say issue pay loss damage climate-related disasters key priority summit irma barrel florida sunday spark one large evacuations u.s. history level caribbean islands st. martin antigua barbuda gaston browne prime minister barbuda antigua say barbuda barely inhabitable hurricane harvey slam texas aug. 25 trigger record flood kill around 60 people cause billions dollars damage minister island nations point back-to-back storm pressure negotiators bonn agree detail mechanism address loss damage extreme weather well slow change sea level rise desertification climate scientists say warm air water result climate change may contribute severity storm u.s. environmental protection agency dispute claim attempt politicize natural disasters loss damage contentious issue climate negotiations years pit rich countries poor governments first approve u.n. loss damage mechanism warsaw 2013 reaffirm 2015 paris agreement unclear exactly would cover would pay much would cost pressure rich nations preamble paris agreement say loss damage mechanism involve provide basis liability compensation myles allen professor geosystem science university oxford england say develop nations want open door legal liability say debate whether major corporations producers coal oil party could hold responsible researchers berlin-based heinrich foundation say least 300 billion year 2030 would need help people lose land culture force migrate result extreme climate-related problems spend would come top 100 billion year fund 2020 rich nations promise poor ones paris agreement help develop cleanly adapt climate change trump u.s. congress say unite state long contribute goal powerful hurricanes fuel demand island nations climate talk