Mr. Geoff Tansey is a trustee of the Food Ethics Council in the United Kingdom, one of six recipients of the Joseph Rowntree ‘Visionaries’ Award, and winner of the Derek Cooper Award for best food campaigner/educator.

Dr. Vaughan is a climate scientist at the British Antarctic Survey.

He was a coordinating lead author of the IPCC Fourth Assessment Report, and is just about to begin the same role in the Fifth Assessment Report.

His research focus is on the role of ice sheets, the threat of climate change and rising sea levels.

Mr. John Topping is the Founder and President of the Climate Institute based in Washington, DC, USA.

He served as editor for portions of the IPCC First Assessment Report and was recognized for his contribution in the 2007 award of the Nobel Peace Prize to the IPCC.

Mr. Topping spoke on why a focus on CO2 alone is not sufficient to stop irreversible tipping points; the role of shorter lived climate forcers in global warming and the presence of black carbon in the Arctic

Professor Jefferson Simoes created the first national laboratory in Brazil dedicated to glaciology and geographical polar research.

He is Director of the Brazilian National Institute for Cryospheric Sciences and a National Delegate to the Scientific Committee on Antarctic Research - SCAR

Chris Williamson is Shadow Minister for Communities and Local Government

Dr. Ester van der Voet is Associate Professor in Industrial Ecology at the Institute of Environmental Sciences (CML) at Leiden University.

She was one of the lead authors of this year’s UN Environment Program report “Assessing the Environmental Impacts of Production and Consumption”.

Dr. Hsien Hui Khoo is the co-founder of the WPF.

Also a renowned chemical and engineering sciences researcher based in Singapore, Dr. Khoo's main research areas are Life Cycle Assessment (LCA) of greenhouse gases/Carbon Footprint of Food, bio-energy, and strategies to reduce global warming.

Professor Arjen Hoekstra is Professor in Water Management at the University of Twente, the Netherlands, and the co-founder and scientific director of the Water Footprint Network.

Mr Toivo Jokkala is a former co-editor of Fronesis, the award-winning Swedish journal on social matters.

He co-authored the paper “Climate Change and Livestock” along with Jens Holm, a former Swedish Member of the European Parliament.

Lisa Bloom is a prominent civil rights attorney and founder of The Bloom Firm based in Los Angeles.

She is also an award-winning CNN and CBS TV news legal analyst who holds degrees from UCLA and Yale Law School.

A lifelong vegetarian and committed vegan, Ms. Bloom has recently finished her book: How to Stay Smart in a Dumbed Down World - a wake up call to put aside modern life distractions and focus on meaningful issues, like climate change.

Kerry is the Labour Member of Parliament for Bristol East and Shadow Junior Minister in the Department of Work and Pensions Treasury.

Ms. McCarthy is also a member of the Transport and General Workers Union, the Co-operative Party, the Fabian Society, the Howard League for Penal Reform, and the Labour Animal Welfare Society.

Tracy Worcester is the Marchioness of Worcester, a film maker and an active environmental campaigner.

She works very closely with the Soil Association, is patron of the International Society for Ecology and Culture and a trustee of the Gaia Foundation.

Dr. Patrick Brown is a professor of biochemistry at Stanford University in California, USA.

Dr. Brown has received numerous awards and was elected to the United States National Academy of Sciences in 2002, identifying him as one of the top 2000 scientists in the nation.

Mr. Jens Holm is former Member of the European Parliament and is now a Member of Swedish Parliament and an active environmentalist.

Many farmers depend upon government subsidies for meat and dairy products (or food for livestock animals) to survive, and cannot afford to focus on growing healthier foods.

Mr Holms will address the conference on Policy change at National and EU level and awareness campaigns on reduced meat consumption.

Dr. Joel Fuhrman is on the board of directors of the American College of Lifestyle Medicine and Director of Research for the Nutritional Research Project of the National Health Association in the US, a board–certified family physician and bestselling author.

He specializes in preventing and reversing disease through nutritional methods.

Dr Fuhrman will talk about how we can reduce our healthcare costs and demonstrate the healing power of nutritional excellence.

Anthony Kleanthous is Senior Policy Adviser on Sustainable Business and Economics at WWF, the Founder of Sustainability Consultancy 'Here Tomorrow,' a Trustee of Sustain, the Alliance for Better Food and Farming, and a registered adviser to the UK Government's Foreign and Commonwealth Office.

He has authored several influential reports on business sustainability:

“Let Them Eat Cake” (WWF-UK, 2006)

“Deeper Luxury” (WWF-UK, 2007)

“Facts & Trends on Sustainable Consumption” (World Business Council for Sustainable Development, 2008),

as well as numerous articles.

Mr. John Topping is the Founder and President of the Climate Institute based in Washington, DC, USA.

He served as editor for portions of the IPCC First Assessment Report and was recognized for his contribution in the 2007 award of the Nobel Peace Prize to the IPCC.

Mr. Topping spoke on why a focus on CO2 alone is not sufficient to stop irreversible tipping points; the role of shorter lived climate forcers in global warming and the presence of black carbon in the Arctic

Ms. Pat Thomas is the scientific adviser to Meat Free Mondays and a former editor of the Ecologist.

Mr. Wally Fry and his wife Debbie are owners of Fry's Vegetarian, a South African company dedicated to making plant-based meat analogues.

What began in 1992 as an effort to make foods for their own pleasure has grown into a viable business enterprise which is this year a nominee for the 2010 Ernst and Young Entrepreneur of the World Award.

Dr. Joel Fuhrman, leading nutrition expert and best selling author presents this latest landmark research into curing and preventing many chronic diseases through nutritional excellence using a plant based diet.

Internationally known surgeon, researcher and clinician, Dr. Esselstyn currently directs the cardiovascular prevention and reversal program at the Cleveland Clinic Wellness Institute.

Of note, former US President Clinton recently spoke of how he was able to lose twenty-four pounds and improve his heart function by following a plant-based diet as recommended by Dr. Esselstyn in his groundbreaking book "Prevent and Reverse Heart Disease."

Michael Greger, M.D., is a physician, author, and internationally recognized professional speaker on a number of important public health issues.

Dr. Greger has lectured at the Conference on World Affairs, the National Institutes of Health, and the International Bird Flu Summit.

Currently Dr. Greger proudly serves as the Director of Public Health and Animal Agriculture at the Humane Society of the United States.

Chief Ocean Correspondent for Animal Planet and Planet Green.

Co-founder of Earth Echo International, a non-profit organization that aims to empower youth to take action to restore and protect our water planet.

In this video, Mr. Cousteau talks about the state of our oceans, including overfishing/ destructive fishing methods.

He addresses some of the causes, and explains why the conservation of a healthy marine ecosystem is vital for the survival of mankind.

Mr. Balthazar is Deputy Mayor of Ghent City, Belgium

Supreme Master Ching Hai is a renowned spiritual teacher, bestselling author, artist and humanitarian.

An advocate of the plant-based diet for personal and planetary health for more than two decades, she has in recent years established an international constructive television channel which also highlights the causes and effects of climate change, including through news reportage and interviews with leading scientists and climate authorities.

In addition, she has facilitated live-broadcast climate change conferences on several continents featuring government officials, scientists and other representatives advancing the multi-sectoral benefits of dietary change.

Widely recognized for her humanitarian works, she is a Gusi Peace Prize laureate and was awarded a U.S. Presidential Award in September this year.