Environmentalism Events in London

Check out happening environmentalism events all around London, EN

Smart City Expo London, UK

 Tue, 30 Jun at 10:00 am Emirates Stadium USD 99 to 2,999

The Big Egg Hunt London 2026

 Fri, 03 Apr at 10:00 am City of London & London landmarks Free

Sea Life London Anytime Entry

 Thu, 04 Jun at 12:00 am Sealife London Aquarium

Smart City Expo UK

 Mon, 20 Jul at 10:00 am Leonardo Royal Hotel London Tower Bridge GBP 75 to 2,245

Yes, there is an alternative

 Wed, 17 Jun at 06:00 pm The RSA Free

When The Forest Breathes: Suzanne Simard

 Mon, 13 Apr at 07:00 pm Foyles GBP 8 to 30

Sea Life London Standard Entry

 Mon, 16 Mar Sealife London Aquarium

Sea Life London Anytime Entry

 Thu, 18 Jun at 12:00 am Sealife London Aquarium

London Family Office June ESG Sector Industry Networking At the Gherkin

 Tue, 23 Jun at 06:00 pm 30 St Mary Axe (The Gherkin) GBP 44 to 434

Merzbow + Elvin Brandhi

 Sun, 07 Jun at 04:00 pm I K L E C T I K

BIEE Future of Energy Lecture: Julia King, Baroness Brown of Cambridge

 Thu, 04 Jun at 05:00 pm The Royal Society GBP 20

Sea Life London Anytime Entry

 Wed, 10 Jun at 12:00 am Sealife London Aquarium

Sea Life London Anytime Entry

 Sat, 06 Jun at 12:00 am Sealife London Aquarium

The Leadership Summit at London Climate Action Week

 Thu, 25 Jun at 08:30 am CodeNode GBP 535 to 594

Sea Life London Anytime Entry

 Sat, 13 Jun at 12:00 am Sealife London Aquarium

Climate Tech Time

 Wed, 25 Mar The Conduit GBP 11 to 12

Sea Life London Aquarium 5 Way Multi Attractions Passes

 Mon, 23 Mar Shrek's Adventure London

Seaford to Eastbourne (Seven Sisters cliffs) Walk - Sat 30 May 2026

 Sat, 30 May at 08:30 am London Victoria Train Station

Business Networking: Sustainability, Green Tech Startups at The Anthologist

 Wed, 29 Apr at 05:00 pm The Anthologist

Sustainability & GreenTech Startups, Investors, Innovators Networking

 Thu, 09 Apr at 07:00 pm Paloma Chelsea GBP 6 to 326

Leith Hill Spring Walk (tallest peak in Surrey) 15km - Intermediate

 Sat, 11 Apr at 08:15 am Victoria Station GBP 29

GreenTech, EcoTech Startups, Innovators & Investors Networking Event

 Thu, 09 Apr at 07:00 pm Cubanista GBP 6 to 39

Investment Funds & Climate Impact 2026

 Mon, 27 Apr at 09:00 am Kensington Conference and Event Centre

An Evening with Beto Marubo

 Mon, 20 Apr at 07:00 pm Second Home Spitalfields Free

BEGINNERS HIKE 16km Ivinghoe Beacon and the Forests of the Chiltern Hills

 Sun, 19 Apr at 08:55 am London Euston Station GBP 34

Role of Carbon Markets in Net-Zero Strategies - by Xynteo & Carbonaires

 Tue, 14 Apr at 06:00 pm Barbican Centre Free

April Hampstead Heath (London) Wild Food Foraging/ Foragers Walk.

 Sun, 05 Apr at 12:00 pm Hampstead Heath GBP 22

Blue Economy Student Forum 2026

 Fri, 29 May at 09:30 am Darwin Building B15 GBP 8

Century of Suffering - March to End Dog Racing Now

 Sat, 25 Jul at 11:30 am 1 Knightrider Court, London, EC4V 5BJ, United Kingdom

Family Fun (5-10yrs): Food and Nature, for World Earth Day

 Sun, 05 Apr at 02:30 pm Leighton House

An Eclectic Lark in Battersea Park (Wild Walk)

 Sat, 11 Apr at 10:45 am Meet outside Battersea Power Station Underground, South Side (see What3Words in event description) Free

Networking Event: Green & Smart: Sustainability & Climate Tech

 Fri, 10 Apr at 06:00 pm The Moniker GBP 10 to 14

Keeping it Wild Collective: Signs of Spring Trainee Takeover!

 Sun, 19 Apr at 12:00 pm Woodberry Wetlands, London Wildlife Trust Free

Canal Creation Day

 Fri, 10 Apr at 10:00 am Grand Union Community Hub Free

Earth Day 2026 Bumblebee Safari

 Sat, 18 Apr at 01:00 pm Crystal Palace Park Information Centre Free

Sandy shores, clifftops and seaside charm of the Naze

 Sat, 18 Apr at 08:50 am Liverpool Street GBP 12

A Conversation Between Trees. Digital exhibition by Daniel Hoopert

 Thu, 09 Apr at 07:00 pm art'otel London Hoxton, Powered by Radisson Hotels Free

Business Networking: Sustainability, Green Tech Startups at Mint Leaf Bank

 Mon, 22 Jun at 05:00 pm Mint Leaf London

Wild Health: People, Nature & One Health

 Tue, 05 May at 06:00 pm Huxley Lecture Theatre, ZSL Meeting Rooms Free

Climate Art & the Crises of AI + Afterparty

 Thu, 23 Apr at 06:00 pm UAL London College of Communication Free

Clinging by a Claw – The London Premiere

 Tue, 21 Apr at 05:30 pm Ladbroke Hall GBP 75

Spring Bouquet Workshop with Ray Ray's Flowers

 Sat, 18 Apr at 12:00 pm 1 Hotel Mayfair GBP 44

Seasonal Botanical Dyes Workshop

 Sat, 11 Apr at 01:00 pm Camden Art Centre GBP 49

Healthy Planet Evening - A Sustainable Fine Dining Experience

 Fri, 24 Apr at 06:00 pm The Escoffier GBP 80

Screening + Q&A: Searching for Satyrus

 Wed, 22 Apr at 07:00 pm Frontline Club GBP 6 to 17

Fire Choir: Summer Term 2026

 Mon, 20 Apr at 07:00 pm King's Place GBP 0 to 150

Reuse + Recycling Plastics Workshop with Sean Rodrigo at The Tool House E17

 Sun, 03 May at 11:00 am Walthamstow Pumphouse Museum GBP 39

Restoring British Nature | The Linnean Assembly 2026

 Wed, 29 Apr at 09:00 am Linnean Society of London GBP 49 to 93

Hiking: Canterbury via Bekesbourne – Sat 26 Sep 2026

 Sat, 26 Sep at 08:30 am London Victoria Rail Station

Net Zero Networks 2026

 Wed, 06 May at 09:30 am IET London: Savoy Place, Savoy Place, London, UK Free

BEGINNERS MINI 12km Canals, Sandy Trails and Medieval Churches of Surrey

 Sun, 10 May at 08:25 am Waterloo Station GBP 33

Introduction to Natural Dyes Workshop

 Sun, 17 May at 02:00 pm Camden Art Centre GBP 39

Beginners Hike, The Saffron Trail, Hadleigh Castle and Benfleet Creek

 Sat, 09 May at 10:00 am Fenchurch Street GBP 12

London Day of Nature 2026

 Sat, 09 May at 10:00 am Camley Street Natural Park, London Wildlife Trust GBP 14

Business Networking: Sustainability, Green Tech Startups at Bond Mayfair

 Mon, 25 May at 06:00 pm Bonds Mayfair GBP 12 to 17

MOTH Festival of Ideas 2026 — Concert x Cosmo Sheldrake

 Fri, 15 May at 08:00 pm St John’s Church, Waterloo USD 50

LSBN – A Water First Mindset for Sustainable Architecture

 Mon, 11 May at 09:00 am Cinnamon Kitchen GBP 25

Hamza Yassin: My Life Behind the Lens

 Sun, 24 May at 02:00 pm Richmond Theatre

Khushwant Singh Literary Festival London 2026, 8th edition

 Sat, 30 May at 10:30 am Brunei Gallery Lecture Theatre at SOAS, University of London Free

Kensington Gardens Nature Roadshow

 Wed, 27 May at 11:00 am Next to Italian Gardens, Kensington Gardens Free

The Regent's Park Nature Roadshow

 Thu, 28 May at 11:00 am Next to the Broad Walk Cafe Free

FAT FOX MUSHROOMS X FLAVOUR FRED - FORAGING WALK & WORKSHOP

 Sun, 26 Jul at 02:00 pm Fat Fox Mushrooms GBP 85

London - ISEP x Small99's People, Planet, Pint™: Sustainability Meetup

 Thu, 04 Jun at 06:00 pm Tamesis Dock GBP 0 to 5

TOUGH HIKE 26km The Hills and Valleys of the North Downs Kent

 Sat, 30 May at 08:15 am Victoria GBP 33

Nature Tots at Centre for Wildlife Gardening - Summer 2 (Jun-Jul 2026)

 Mon, 01 Jun at 10:30 am London Wildlife Trust Centre For Wildlife Gardening GBP 0 to 59

Foraging Course in London

 Sun, 22 Mar Hackney Marshes Centre GBP 40

Young Persons Bird Walk for 18 to 30 year olds - Free

 Sun, 05 Apr at 10:00 am Crystal Palace Station (LUL) Free

Invertebrate Study Day

 Wed, 08 Apr Natural History Museum Free

Business Networking: Sustainability, Green Tech Startups at Mint Leaf Bank

 Mon, 25 May Mint Leaf Lounge GBP 12 to 17

Business Networking: Sustainability, Green Tech Startups at The Anthologist

 Wed, 27 May at 06:00 pm The Anthologist GBP 15

Roots For The Future 2026

 Sat, 18 Apr at 11:00 am Liberty Woodland School GBP 3 to 7

Yodomo Textile Reuse Sales - April 2026

 Fri, 24 Apr at 12:00 pm The Loop Free

London Psychedelic Community: Sunday Park Day – Nature & Connection

 Sun, 26 Apr at 02:00 pm Baker Street GBP 6 to 17

Sustainable Design Forum 2026

 Thu, 23 Apr at 10:00 am Crypt on the Green GBP 0 to 22

Easter Trashformers!

 Thu, 02 Apr at 02:00 pm Museum of Brands GBP 0 to 5

The Healthy Homes Hub Summer Ideas Exchange

 Fri, 19 Jun at 10:00 am Amazon Corporate Offices, London Free

What is fossil fuel fascism - and what can we do about it?

 Wed, 08 Apr at 07:00 pm Love Shack GBP 6

Paradise Nature Club: Good To Grow

 Sun, 19 Apr at 01:30 pm The Paradise Cooperative Free

Grow Food Anywhere Workshop FREE In-person

 Wed, 22 Apr at 03:00 pm Brompton Library Free

Migrant Justice and the Far Right Summit 2026

 Mon, 20 Apr at 10:00 am City St George's, University of London Free

Campfire Club: London | Luke Wallace, Kaito Winse

 Fri, 14 Aug at 07:00 pm Cody Dock GBP 0 to 23

Breathing Life: A Decade of Local Air Quality Ambition

 Mon, 13 Jul at 10:00 am The Royal Society of Medicine GBP 0 to 380

LBS Cleantech Challenge

 Thu, 23 Apr at 05:30 pm Nuffield Hall, North Building Free

6th Finance and Accounting 2026 Annual Research Symposium

 Wed, 17 Jun at 09:00 am University of Westminster (Marylebone Campus) Free

Gathering Wands: Walk and Carving Workshop with Harri Harrison

 Sat, 18 Apr at 06:30 pm IMT Gallery GBP 17 to 28

Teach the Future Climate Teach In

 Wed, 15 Apr at 12:00 pm Parliament Square GBP 0 to 6

Earth Day Craft Session at Leytonstone Library

 Wed, 22 Apr at 03:30 pm Leytonstone Library Free

Hammersmith & Fulham Friends Of The Earth - Free Film Screening

 Mon, 13 Apr at 07:00 pm Riverside Studios Free

SPRING FAMILY ART & NATURE FUN (FREE)

 Wed, 08 Apr at 12:00 pm Islington Ecology Centre Free

The Clearing: Forest Bath Day Out at Epping

 Sun, 22 Mar at 10:30 am Finsbury Circus Gardens Free

Crystal Palace Park bird walk with RSPB Bromley

 Sun, 26 Apr at 08:30 am Guy the Gorilla statue Free

Drought Resilient Gardening

 Wed, 15 Apr at 10:00 am Core Arts Ltd Free

United by Impact: Accelerating the Shift

 Wed, 22 Apr at 02:30 pm DasDasBox Free

Does Nature Have Rights? An Evening with a Barrister for Earth

 Thu, 16 Apr at 06:00 pm The Linnean Society of London GBP 9 to 12

Ethnobotanical Deep Dives

 Sat, 25 Apr at 01:00 pm Cody Dock GBP 12

Earth's Greatest Enemy - London Film Screening

 Sat, 18 Apr at 05:00 pm LARC GBP 0 to 12

SOAS Department of Economics & CRILS Public Lecture by Jennifer Clapp

 Tue, 28 Apr at 05:50 pm SOAS Gallery Free

Fashion Upcycling Workshop at the Oxo

 Fri, 17 Apr at 01:30 pm Unit 2.10, Oxo Tower Wharf GBP 35 to 70

Mike Cooper / David Toop / Max Eastley + Mike Cooper / Steve Beresford / John Butcher

 Tue, 19 May at 07:30 pm Café OTO

FAT FOX MUSHROOMS X FLAVOUR FRED - FORAGING WALK & WORKSHOP

 Sat, 25 Apr at 02:00 pm Fat Fox Mushrooms GBP 85