The Burntwood Lecture 2021 with Professor Joanna D. Haigh

Banner with solar panels with text The meaning of Net Zero November 25th Burlington House, London
Thursday, 25 November 2021 - 6:00pm to 9:30pm
Library Room, Burlington House, Piccadilly, London W1J 0BA

This year's Burntwood Lecture is presented by Professor Joanna D. Haigh, former Co-Director of the Grantham Institute and awardee of the Institute of Physics' Charles Chree Medal and Prize in 2004. The lecture will touch on both the definition and implications of net zero future actions, with a timely look at what was agreed upon at COP26 this year in Glasgow.

If you cannot attend the lecture in person, the whole event will be streamed live on our Youtube channel. You do not need to register if you'll be watching online, just give our channel a subscribe and hit that notification bell so you are notified when we go live!

This year's speaker

Joanna was Co-Director of the Grantham Institute at Imperial College from 2014 until her retirement in 2019. Prior to this, she was Head of the Department of Physics. Jo's scientific interests include radiative transfer in the atmosphere, climate modelling, radiative forcing of climate change and the influence of solar irradiance variability on climate.

She has published widely on these topics in the scientific literature and also contributed numerous items to the written and broadcast popular media. She has been President of the Royal Meteorological Society, Editor of the Quarterly Journal of the Royal Meteorological Society and of the Journal of Atmospheric Sciences, a Lead Author on the Intergovernmental Panel on Climate Change and acted on many UK and international panels.  

She is a Fellow of the Royal Society, the Institute of Physics, the City & Guilds and the Royal Meteorological Society, and an Honorary Fellow of Somerville College Oxford. She was awarded the Institute of Physics' Charles Chree Medal and Prize 2004, the Royal Meteorological Society's Adrian Gill Prize 2010 and appointed CBE in the 2013 New Year Honours.

Our Chair

Julie Hill has an academic background in english, philosophy, politics and ecology, and has had a career in the environment movement. She is presently Chair of the UK’s Waste and Resources Action Programme, a charity working to create a world where resources are used sustainably. She is also Deputy Chair of the Advisory Committee for Social Sciences for the Food Standards Agency, and a Visiting Professor at the University of Surrey. She is a former Director of, and now an Associate of, Green Alliance, one of the UK’s foremost environmental policy organisations, as well as a former board member of the Eden Project in Cornwall and the Environment Agency for England and Wales. In 2021 she was appointed a non-executive member of the new Office for Environmental Protection (OEP).

She has written extensively, including the popular book ‘The Secret Life of Stuff’ published by Vintage Books in January 2011, as well as many Green Alliance publications.

Julie was elected to the IES Council in 2016 and was appointed Vice Chair in 2018. She was elected as Chair in April 2021.


Gwen Buck has seven years’ experience working to create positive social and environmental change. She currently works as a Senior policy adviser at leading environmental think-tank Green Alliance where she works in the politics team to engage MPs on climate change science and policy. She also leads Green Alliance’s work on trade.

Previously she worked at the Green Party as Leadership officer, coordinating the activities of the leadership team and working at the highest levels of the party. Gwen has also worked for CHEM Trust and completed an internship with an MEP where she was based in the European Parliament in Brussels.

She holds a BSc in Environmental Science from Plymouth University.


Joseph Lewis is the Policy Lead for the Institution of Environmental Sciences, where he is responsible for working to promote the use of the environmental sciences in decision making and representing the voice of science, scientists, and the natural world. Joseph has a particular interest in environmental science communication and the complex interconnected systems which underpin the natural world and human society.

Joseph is an advocate for transformative change and using social systems to bring together communities with science-led solutions to the interconnected climate, biodiversity, and social crises facing humanity.


Philippe Pernstich is a consultant specialising in carbon metrics and footprinting methodologies. He has been with the Carbon Trust since 2009, working across a range of sectors, including construction, chemicals, manufacturing, packaging, catering and hospitality, providing them organisational, product and value chain footprinting solutions. Philippe is also the lead expert on event carbon footprinting, having worked on major events such as the Tour de France Grand Depart in Leeds and the Tour of Britain.

Philippe holds an MSc in Environmental Sciences from the University of East Anglia and is a Member of the Institution of Environmental Sciences.

Event Schedule  

18:00 - Registration and drinks
18:30 - Welcome from the IES Chair, Julie Hill
18:45 - The Burntwood Lecture, Professor Joanna D. Haigh
19:15 - Respondents to the lecture
19:30 - Q&A session
20:00 - Canapés, drinks, mingle

Delegate pack 

We are always looking to reduce our environmental impact and waste produced through events wherever possible, therefore, the delegate pack for this year's Burntwood Lecture is now available in electronic format. This pack includes details about the speaker and the full list of attendees.

Please do refrain from printing this pack where possible, there will not be any printed versions available at the event.

Download the delegate pack for The Burntwood Lecture 2021

Sponsor this year's lecture

Sponsoring The Burntwood Lecture offers you the unique opportunity to connect with respected members of the environmental community, build brand awareness and show your company’s support for and affiliation with the environmental sector. Our events reach many key audience segments and provide an engaging platform for you to reach clients and potential employees. For more information about our sponsorship opportunities, please download our sponsorship pack.

If your organisation is interested in sponsoring one of the most high profile events in the environmental calendar, please contact


The Burntwood Lecture is returning to London on the 25th of November. This flagship event provides an opportunity for an eminent speaker to talk on a current, critical and often controversial environmental theme. The invited audience, numbering around 120, come from the environmental professions, universities and government. Join us for an evening of networking, drinks and canapés.

Registration is now closed for in person tickets. However, you are free to watch the live stream on Youtube here.






The IES aim to provide events, conferences and workshops which are accessible to all. If you anticipate needing any type of assistance to fully participate in this event, please email Katherine Karr on or call +44 (0)20 3862 7484 to speak to somebody in person.

The IES is following all government guidelines on COVID-19 and any restrictions to in-person events. Should the situation change and we are no longer able to host this event in person, the event will be held online instead.

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Who to contact

Derek Jardine

Events & Training Officer

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