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SUSTAINABLE DEVELOPMENT055International Year of Forests. What's more, a uniquemembership platform connecting global experts,opinion leaders, professionals and citizens in the fieldof sustainability is also being introduced to further addvalue. It will be a place where members can shareinnovative business strategies and debate the definingsustainability issues of our generation. In keeping with the global nature of the Awards, thisyear's judging panel brings together knowledge andexpertise from all corners of the world. Julia Marton-Lefèvre, Director General, IUCN; BrazilianEnvironmentalist & Politician Marina Silva; Tim Smit,Co-founder of the Eden Project; and Brendan May, UKChairman, Rainforest Alliance are just some of theexperts judging in 2011.As Dr Ahmed Djoghlaf, Executive Secretary,Convention on Biological Diversity commented: "In thewake of the adoption of the 2020 Aichi Biodiversitytargets which calls for the engagement of allstakeholders including the business community, it isan honour and a privilege to participate in the 2011International Green Awards. I am impressed with thepositive impact the Award has in promoting andrewarding creativity and dedication. Through example,the Awards is shaping future messages ofsustainability and therefore creating the leaders of thegreen businesses of tomorrow." This year will also see the presentation of the 'LifetimeAchievement Award' honouring one deserving globalcitizen for his/her contribution to sustainability and theenvironment. This recent addition to the Awards waspresented for the first time last year to Sir DavidAttenborough CBE. "Biodiversity is the core of the sustenance of life; whichcurrently hangs in delicate balance. By recognisingcreativity in sustainability the International Green Awardsare a genuine effort to promote positive attitudes towardsbiodiversity and sustainability." Sir David Attenborough CBEThe 2011 International Green Awards will also see thepresentation of the first 'Green Celebrity Award'recognising the efforts of one global media figure topromote sustainability through their public profile.Given the deliberately populist and egalitarian natureof this new award, the winner will be chosen via apublic vote, using social networks and theInternational Green Awards website.The 2011 International Green Awards now invites yourparticipation in 23 categories ranging from Best GreenInternational Business Award, Best Green TechnologyAward through to Best Green Educational andSustainability Awareness Award and Best GreenConservation and Biodiversity Award. The climax willbe a gala dinner on 24 November 2011 at the NaturalHistory Museum, London, where the winners will beannounced. The green carpet is being rolled out. Takethe first step onto it by entering your organisation nowat:"There is only one planet. We must honour those whosustain its resources and create opportunities andbusinesses in doing so. That is what the InternationalGreen Awards can achieve."Baroness Barbara Young nABOUT THE AUTHORIain Patton launched the sustainability-focusedbrand communications Consultancy GREEN in 2005with the founding purpose of harnessing the power ofcommunication to achieve positive social andenvironmental change. Alongside the consultancy theGreen Awards were born as the vehicle to recogniseinnovative approaches to sustainability. Professionally, Iain Patton is a member of theChartered Institute of Marketing, Chartered Instituteof Public Relations and an Associate of the Instituteof Environmental Management. He also has aBachelors degree from the University of Wales, a PostGraduate Certificate in Marketing Management fromManchester Metropolitan University and a PostGraduate Diploma in Public Relations from theChartered Institute of Public Relations in London. " "TOGETHER WECAN ALL MAKE A DIFFERENCEAND THE INTERNATIONALGREEN AWARDSHAS AN IMPORTANT PARTTO PLAY IN THISEXCITING ANDCHALLENGINGJOURNEY

speak on behalf of the scientificcommunity that carries out assessmentsof all aspects of climate change under the collective direction of all thegovernments of the world, which are members of the IPCC. The assessments of the Panel involve a mammothhuman effort. To appreciate the scale and complexityof this effort may I mention that the FourthAssessment Report (AR4) of the IPCC completed in2007 involved approximately 3,750 experts includinglead authors, contributing authors and expertreviewers, all of whom volunteered their time withoutcompensation by the IPCC. The AR4 referred toapproximately 18,000 items of published literatureand dealt with about 90,000 comments provided atvarious stages of drafting by reviewers fromgovernments and the scientific community.Let me highlight two important findings of the AR4:"Warming of the climate system is unequivocal as isnow evident from observations of increases in globalaverage air and ocean temperature, widespreadmelting of snow and ice and rising global average sealevel;" and: "Most of the observed increase in globalaverage temperatures since the mid twentieth centuryis very likely due to the observed increase inanthropogenic GHG concentrations. It is likely thatthere has been significant anthropogenic warming over the past 50 years averaged over each continent(except Antarctica)".The AR4 found that the resilience of many ecosystemsis likely to be exceeded this century by anunprecedented combination of climate change andother global change drivers. Over the course of thiscentury, net carbon uptake by terrestrial ecosystems islikely to peak before mid century and then weaken oreven reverse thus amplifying climate change.Approximately 20 to 30 per cent of plant and animalspecies assessed so far are likely to be at increased risk of extinction if increases in global averagetemperatures exceed 1.5 to 2.5°C. Anthropogenicwarming could lead to some impacts that are abrupt or irreversible depending upon the rate and magnitudeof the climate change. Partial loss of ice sheets on polar land could imply meters of sea level rise,major changes in coast lines and inundation of low-lying areas, with greatest effects in river deltas andlow-lying islands.It is noted that the Copenhagen Accord aimed "to holdthe increase in global temperatures below 2°C" andrecognised "that deep cuts in global emissions arerequired" and countries "should co-operate inachieving the peaking of global and national emissionsas soon as possible". In fact, the least cost trajectoryfor stringent mitigation assessed in the AR4 clearlyestimated that global emissions should peak no laterthan 2015 and decline thereafter.The AR4 assessed a wide range of impacts based on past observations and projected those that are likelyto occur in the future for different levels andmagnitudes of climate change. Some of these areextremely important to bear in mind, because indeed the ultimate objective of the UNFCCC as stated in Article 2 is to prevent dangerousanthropogenic interference with the climate system.Science cannot determine what constitutes"dangerous", but it can provide substantial scientificevidence and insights on the basis of which negotiatorscan determine how to integrate this information in thecontext of Article 2.THE SCIENCE OF CLIMATE CHANGE056GLOBAL VOICESIDR RAJENDRA K. PACHAURI, CHAIRMAN, INTERGOVERNMENTAL PANEL ON CLIMATE CHANGE (IPCC)Photo: © European Union 2011