x = independently organized TED event

Theme: Let's Change Climate Change.

This event occurred on
October 15, 2020
Sydney, New South Wales

This initiative is launched in conjunction with the global TED CountDown event taking place in multiple countries during October.

Come and hear ideas worth spreading:
Come and discover the latest ideas in Sydney around climate change and sustainability. Great speakers with a variety of backgrounds and styles, we promise you will be inspired for action during and after the event. Learn more details about the speakers and the event at: www.tedxdarlinghurst.com

Live an interactive experience:
A small group of guests and a free online stream will allow you to interact with the speakers, ask your questions, understand the topics to a deeper level and be part of the change.

Be inspired to make change:
All our speakers and sponsors are changing the world and fighting climate change, come and discover how are they doing it and what you can do to help.

Australian National Maritime Museum
2 Murray St, Sydney NSW 2000
Sydney, New South Wales, 2000
Event type:
Countdown (What is this?)
See more ­T­E­Dx­Darlinghurst events


Speakers may not be confirmed. Check event website for more information.

Ellie Moss

Ellie Moss is a professional contradiction: a marketer who is passionate about the environment, sustainability and being a positive force in the fight against climate change. In her role as Managing & Strategic Director at Focus Creative, Ellie applies marketing and communications strategy to coffee beans, home building and clean energy—often in the same week. Sustainability frameworks, green comms strategy, and environmental campaigns are what puts a spring in her step. As a child, Ellie took food packaging home from school to ensure it was recycled. That obsession never left her. Now she enjoys using the dark arts of marketing for good. Ellie is fascinated by human behaviour and the power of marketing communication to create behaviour change and, ultimately, save the planet.

Emily Jateff

Emily Jateff is Curator of Ocean Science and Technology at the Australian National Maritime Museum. She develops programs and content for the museum’s public-facing activities in ocean sciences, technologies, climate change and sustainability. These include the James Cameron: CHALLENGING THE DEEP and Sydney Harbour Gallery exhibitions, science and sustainability programs along our waterfront (like the new Ocean Lab) and working with global research vessels such as CSIRO Marine National Facility’s RV Investigator and Schmidt Ocean Institute’s RV Falkor during the 2020 circumnavigation of Australia. She is passionate about sharing Australian scientists’ and innovators’ stories of marine inventions, our ocean climate and inhabitants, habitat restoration, and the impact of plastics with museum audiences and the wider public.

Helen Redmond

Helen Redmond is a rehabilitation medicine physician based in Sydney. As well as her clinical role helping patients recover from illness and injury, she volunteers for public health advocacy group Doctors for the Environment Australia (DEA). For the last 10 years she has spoken out on behalf of the DEA for the protection of our health through care for the environment, raising awareness of the health impacts of fossil fuels and climate change to community and professional audiences, as well as to politicians and government. In particular she has given voice to the health impacts of coal seam gas mining, helping communities successfully resist the establishment of the industry in NSW. Her current role in DEA is as convenor of their Divestment group, which is engaging with superannuation funds, banks and other large investors regarding healthy sustainable investments. Aside from this, one of her favourite roles is as conjoint lecturer at the University of NSW, teaching Environmental Health to medical undergraduates

Lottie Dalziel

In 2018 Lottie made a New Year’s resolution to drastically reduce her waste. It wasn’t until she started this resolution that she realised how hard it was not only to find environmentally-friendly products but also find credible information around waste. To date, Lottie has helped over 160,000 people reduce their waste and in doing so created a community amidst the bustle of city life, she believes that individuals have the power to create change and together we can all make a difference.

Max Van Biene

Max Van Biene is a sustainability strategist, corporate ESG advisor and for-purpose facilitator & coach. Having started his career as a strategist in the advertising industry, Max suffered an existential crisis and retrained in organisational sustainability. In his role as Head of Sustainability Strategy at Edge Environment Max works with organisations of all sizes to develop evidence-based roadmaps that minimise their negative environmental and social impact whilst driving purpose and delivering commercial returns. Max is currently leading the National Food Waste strategy to determine how Australia can meet the target of halving food waste by 2030. Max is also committee chair of the Sydney B-Corp network and chairs of ESG committee at a number of corporate and not-for-profit organisations.

Sophia Tremenheere

Sophia is a coach, speaker, writer and women’s health and environmental advocate. As a Menstrual Cycle Mentor and Confidence Coach, Sophia helps women have happier, healthier periods. But what she is really passionate about is guiding women to embrace their feminine energy and step into their power. Thanks to Sophia’s mission to educate and empower as many women as possible when it comes to all things period- and hormone-related, this has led her to proactively address sustainable practices in women’s health. Originally from London, UK, Sophia has always had a large interest in reducing our environmental impact, including research into ethical fashion. It was, however, whilst travelling around Latin America and on her own healing journey that Sophia discovered the true impact to which society’s consumption was having upon climate change. She was shocked by the amount of single-use plastic polluting the ocean and beautiful landscape of the region.

Tim Noakesmith

Tim is a serial entrepreneur and design professional who was recently recognised in Forbes 30 under 30 list. In 2017 Tim became obsessed with using his human-centred design background to solve the world's most important problems, eventually realising that creating the food systems that will scale to meet an ever-growing population is one of the most important challenges we face as a human race, so he co-founded Vow, a food/biotechnology company focussed on feeding billions of people sustainably. Before launching Vow Tim was most recently the Global Human-Centred Design Lead for Cochlear, where he was responsible for untangling the complex needs of Cochlear Implant recipients, ensuring their insights were core to the organisation's strategy, all while working within tight regulatory medical-tech frameworks. He has held a number of Senior roles in User Experience Design, Service Design and Product Strategy spanning across a diverse range of industries and technologies.

Will Rayward-Smith

As a Director at Deloitte, Will is a trusted advisor to industry and government on decarbonisation, clean technology and new energy. He works to accelerate the transition to net zero, unlocking the most significant opportunities and realising the benefits for people and planet. Will was previously Founder and General Manager of SunSHIFT, enabling the uptake of renewable energy by large off-grid energy users such as remote communities, construction sites and mines. Achievements at SunSHIFT include delivering the world's largest relocatable solar farm, Australia's first hybridisation of an off-grid gas power plant and record breaking construction speeds. Will has a PhD in Mathematics from the University of Cambridge and has previously worked for Arup, the UK Government’s Department of Energy and Climate Change (DECC) and Azuri Technologies.

Ziggy Marzinelli

Ezequiel “Ziggy” Marzinelli is a marine scientist and lecturer at The University of Sydney, where he leads a marine ecology and conservation research group. Ziggy’s research focuses on understanding the processes that generate, maintain and impact marine ecosystems. He uses this information to develop sensible, practical solutions to environmental problems, for example, via restoration of degraded habitats. Ziggy has done research in temperate, tropical and polar ecosystems around the world, and is passionate about teaching and communicating his research to the general public.

Organizing team


  • Lucas Goransky