“Night Matters” is a new monthly virtual lecture series on a wide variety of topics related to the night sky. All current supporters including members and advocates are invited every month. Please check your subscription to IDA’s emails and be sure to add our domain to your safe senders’ list. For further information, please contact Allison Bressler.
all our members, donors, and advocates to attend each month to learn something special about dark skies from around the world, across many diverse backgrounds and specialties.
Note: This is a members-only event.
Upcoming
April 2023
The Environment and Dark Skies
with Travis Longcore
Apr 19, 2023
11 am MST (1800 UTC) time conversion tool
Zoom
Free for members
Past events
March 2023

Women in Dark Skies
with Georgia MacMillan + panel
Mar 15, 2023
An amazing panel of women in the dark sky movement hosted by Georgia MacMillan.
Georgia MacMillan is the co-founder of Terra Firma Ireland, a social enterprise for sustainable astro-tourism in addition to leading the push to establish the Mayo Dark Sky Park. She currently serves as the Mayo Dark Sky Park Development Officer.
Ada Blair lives in the Scottish Borders and is a psychotherapist, group facilitator and trainer working in higher education, the not-for-profit sector and private practice. She is the author of ‘Sark in the Dark: Wellbeing and Community on the Dark Sky Island of Sark’.
Anna Levin is an author and editor based in Scotland and specializing in environmental journalism and people’s connections to the natural world. Her book ‘Incandescent – We Need to Talk about Light‘ explores the consequences of excess artificial light on nature, our built environment, human health and well*being. She has a longstanding passion for aquatic mammals and is currently writing about the effect of light pollution on the watery environment, from her local river to the world’s oceans.
Marnie Ogg is the co-founder of Australasian Dark Sky Alliance, the first charity of its kind in Australia. She has received two Dark Sky Defender Awards, and has been a finalist in the Small Business Awards for her personal and board efforts in conserving the night environment.
Members can access a recording of this presentation; please contact Allison Bressler.
February 2023

Light Justice
with Lya Shaffer Osborn
Feb 15, 2023
Lya is a multidisciplinary designer, an advocate for design justice, and the founder of a collaborative, community-dedicated studio and workshop in Seattle, WA. She received a double M.F.A. in Lighting Design and Interior Design from Parsons The New School for Design. Lya’s thesis challenged the industry norms and incentives that have long defined a designer’s role in the community and proposed alternative modes of improving the accessibility of design resources to the historically underserved.
Members can access a recording of this presentation; please contact Allison Bressler.
January 2023
The New Year of Dark Skies
with Ruskin Hartley, IDA CEO and Executive Director
Jan 26, 2023 (Session 2)
Jan 18, 2023 (Session 1)
Ruskin shared our progress in the past year, and discussed our new initiatives and moving the needle forward on addressing light pollution.
Members can access a recording of this presentation; please contact Allison Bressler.