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Sustainability conferences

80 events catalogued in Sustainability, 78 forthcoming across 2026 and 2027, 2 prior. Click any entry for the full editorial profile: speakers, sponsors, sessions, cross-event company graph.

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The best Sustainability conferences in 2026 and 2027

Data as of October 8, 2026

10 picks from 78 upcoming Sustainability conferences, ranked by verified program depth: the speakers and sponsors each event publishes on its own site. How we verify.

At a glance
#ConferenceDatesWhereSpeakersSponsorsBest for
1London Build 2026November 25, 2026London, GB21215Networking at scale
2CEAg World Conference and Expo 2026November 10, 2026Charlotte–Concord, US851Walking a large expo floor
3Social Innovation Summit 2027May 11, 2027New York, US6533Meeting senior decision-makers
4ESG & Decarbonizing Real Estate SummerJuly 14, 2027Dana Point CA, US760Meeting senior decision-makers
5World Ocean Summit & Expo 2027March 16, 2027Aqaba, JO5717Meeting senior decision-makers
6Carbon Capture Technology Expo North America 2027February 10, 2027Houston, US2578Seeing the vendor landscape
7SXSW 2027March 15, 2027Austin, US607A broad program of sessions
8Hyvolution Paris 2027January 19, 2027Paris, FR2272Seeing the vendor landscape
9Sustainable FoodsJanuary 27, 2027London, GB4126Seeing the vendor landscape
10MEED Projects Awards 2026 in association with MashreqNovember 10, 2026Dubai, AE491A deep speaker lineup
  1. 1
    London Build 2026November 25, 2026

    London, GB·212 voices, 15 sponsors

    Best forNetworking at scale

    212 speakers, 15% at VP level or above. Sponsors include Women in BIM, ADF Web Magazine and Archetech - MH Magazine. 10 exhibitors.

    Track
  2. 2

    Charlotte–Concord, US·85 voices, 1 sponsors

    Best forWalking a large expo floor

    85 speakers, 53% at VP level or above. Sponsors include Enza Zaden. 79 exhibitors.

    Track
  3. 3

    New York, US·65 voices, 33 sponsors

    Best forMeeting senior decision-makers

    65 speakers, 57% at VP level or above. Sponsors include Amazon Web Services, PwC and Blackbaud.

    Track
  4. 4

    Dana Point CA, US·76 voices

    Best forMeeting senior decision-makers

    76 speakers, 52% at VP level or above.

    Track
  5. 5

    Aqaba, JO·57 voices, 17 sponsors

    Best forMeeting senior decision-makers

    57 speakers, 61% at VP level or above. Sponsors include Canada Ocean Supercluster, Oceans North and Ocean14 Capital.

    Track
  6. 6

    Houston, US·25 voices, 78 sponsors

    Best forSeeing the vendor landscape

    25 speakers, 30% at VP level or above. Sponsors include Siemens Energy, Accelera By Cummins and Parker Hannifin. 10 exhibitors.

    Track
  7. 7
    SXSW 2027March 15, 2027

    Austin, US·60 voices, 7 sponsors

    Best forA broad program of sessions

    60 speakers, 63% at VP level or above. Sponsors include Coca-Cola, Vimeo and Kickstarter.

    Track
  8. 8
    Hyvolution Paris 2027January 19, 2027

    Paris, FR·22 voices, 72 sponsors

    Best forSeeing the vendor landscape

    22 speakers, 44% at VP level or above. Sponsors include EY, Engie and Global Hydrogen Review. 43 exhibitors.

    Track
  9. 9
    Sustainable FoodsJanuary 27, 2027

    London, GB·41 voices, 26 sponsors

    Best forSeeing the vendor landscape

    41 speakers, 60% at VP level or above. Sponsors include Tesco, FrieslandCampina and Nielsen IQ. 22 exhibitors.

    Track
  10. 10

    Dubai, AE·49 voices, 1 sponsors

    Best forA deep speaker lineup

    49 speakers, 34% at VP level or above. Sponsors include Mashreq.

    Track

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Questions

About Sustainability conferences

What are the best Sustainability conferences in 2026?
Ranked by how many speakers and sponsors each event lists on its own site, the top three are London Build 2026 (November 25, 2026, London, GB), CEAg World Conference and Expo 2026 (November 10, 2026, Charlotte–Concord, US) and Social Innovation Summit 2027 (May 11, 2027, New York, US). The ranking above covers 10 events out of 78 upcoming Sustainability conferences we track.
Which Sustainability conference has the most sponsors?
interpack China 包装世界（上海）博览会 lists 86 sponsors, the most of any upcoming Sustainability conference we track. It runs October 14, 2026 in Shanghai, CN.
When is the next Sustainability conference?
26th ICID International Congress and 77th IEC Meeting 2026 is next, on October 12, 2026 in Marseille, FR.
Which Sustainability conferences are accepting speakers?
Calls for speakers are open at Greenbuild International Conference + Expo 2026 (until October 20).
How is this list ranked?
By verified program depth: the number of speakers and sponsors each conference publishes on its own website, which we re-check against the source. No event pays to appear in this ranking.