Citizen Science Connect
Activities & Initiatives
Conferences, workshops, events and other citizen science activities and initiatives from the existing MCSA catalog.
Interactive map
Each marker is a reviewed record, colored by category. Hover or tap a marker to see its details and how to connect. Clusters group nearby records — zoom in or click a cluster to expand. Records with no single location (global scope) appear only in the list below.
Map legend
Click a category to filter the map and list. Click again to remove the filter. The number beside each category shows the total records in that category.
Planned feature - not yet available.
Showing 61 of 230 records.
- Explore
Galaxy Zoo
ZooniverseActivities & InitiativesGlobal2007
A Zooniverse project where volunteers classify galaxies by shape from telescope images, helping astronomers understand how galaxies form and evolve. The project is ongoing.
- Explore
Planet Hunters TESS
ZooniverseActivities & InitiativesGlobal2019
A Zooniverse project where volunteers search for exoplanets by identifying dips in light curves from NASA’s TESS mission. The project is ongoing.
- Explore
Exoplanet Watch
NASAActivities & InitiativesGlobal2021
A NASA citizen science project where observers with small telescopes collect and submit light curves of transiting exoplanets to refine exoplanet ephemerides. The project is ongoing.
- Explore
Backyard Worlds: Planet 9
Zooniverse / NASAActivities & InitiativesGlobal2017
A NASA-funded Zooniverse project where volunteers scan telescope images to find moving objects, including possible undiscovered worlds beyond Neptune. The project is ongoing.
- Explore
Aurorasaurus
NASAActivities & InitiativesGlobal2014
A NASA-funded citizen science project where volunteers report aurora sightings, helping researchers improve aurora forecasting and mapping. The project is ongoing.
- Explore
Cloudspotting on Mars
Zooniverse / NASAActivities & InitiativesGlobal2022
A NASA-funded Zooniverse project where volunteers identify clouds in Mars Climate Sounder data to help study the Martian atmosphere. The project is ongoing.
- Explore
The Daily Minor Planet
Zooniverse / Catalina Sky Survey / NASAActivities & InitiativesGlobal2022
A Zooniverse project run with the Catalina Sky Survey and NASA where volunteers review nightly images to help discover new near-Earth asteroids. The project is ongoing.
- Explore
The Sungrazer Project
NASA / U.S. Naval Research LaboratoryActivities & InitiativesGlobal2000
A NASA citizen science project where volunteers search images from the SOHO and STEREO spacecraft to discover sungrazing comets. The project is ongoing.
- Explore
Radio JOVE
NASAActivities & InitiativesGlobal2001
A NASA education and citizen science project where participants build radio telescopes and observe radio emissions from the Sun, Jupiter, and the galaxy. The project is ongoing.
- Explore
Fresh Eyes on Ice
University of Alaska Fairbanks / NASAActivities & InitiativesUnited States2022
A NASA-funded citizen science observing network where volunteers document freshwater and river ice conditions to support flood forecasting and ice safety, focused on Alaska. The project is ongoing.
- Explore
Landslide Reporter (COOLR)
NASAActivities & InitiativesGlobal2018
A NASA citizen science project where volunteers report landslides they observe or read about, contributing to a global landslide database (COOLR) to improve prediction. The project is ongoing.
- Explore
Dark Energy Explorers
Zooniverse / NASAActivities & InitiativesGlobal2021
A NASA-funded Zooniverse project where volunteers help map dark matter and measure dark energy by classifying galaxies in DESI Legacy Imaging Surveys data. The project is ongoing.
- Explore
NASA Citizen Science
NASAActivities & InitiativesGlobalActive
NASA’s citizen science program, a hub of NASA-funded projects across Earth science, space science, and astronomy where members of the public can contribute to NASA research. The program is ongoing.
- Explore
GLOBE Observer
NASA / The GLOBE ProgramActivities & InitiativesGlobal2016
A NASA-sponsored citizen science app where volunteers observe clouds, mosquito habitats, land cover, trees, and other environmental features to support Earth system science. The project is ongoing.
- Explore
Monitoring Farmland Birds (MAS)
Sovon / European Citizen Science PlatformActivities & InitiativesEuropeActive
A farmland bird monitoring scheme in which volunteers carry out counts to track trends of birds living in agricultural landscapes more accurately than existing networks. The scheme is ongoing.
- Explore
Neuro(Minorities)Science
Zooniverse / IMPETUSActivities & InitiativesGlobal2025
An international online working group of neurodivergent citizen scientists and allies, facilitated by Zooniverse, exploring accessibility needs in digital citizen science. The working group ran from June 2025 to January 2026.
- Explore
IPM Popillia
IPM-Popillia Project (EU H2020)Activities & InitiativesEurope2020
An EU H2020 project that developed a citizen science app for monitoring the invasive Japanese beetle (Popillia japonica) in Europe to support integrated pest management. The project has concluded; the app remains available for use.
- Explore
MINAGRIS (SoilPlastic)
MINAGRIS Project (EU Horizon 2020)Activities & InitiativesEurope2021
An EU project investigating the impact of plastics on agricultural soil health across case studies in Europe, including a citizen science app (SoilPlastic) for reporting plastic debris in soils. The project is ongoing.
- Explore
Urban ReLeaf
Urban ReLeaf Project (EU Horizon Europe)Activities & InitiativesEurope2022
An EU-funded Horizon Europe project developing citizen-powered data ecosystems to support greener, more resilient, and inclusive urban transitions. The project is ongoing.
- Explore
CitSci4All
CitSci4All Project (European Citizen Science Platform)Activities & InitiativesEurope2022
A project centered on the inclusion and active participation of Deaf and Hard of Hearing adults in citizen science on climate change, recognized with the 2024 EU Prize for Citizen Science. The project has concluded.
- Explore
CrowdWater
University of ZurichActivities & InitiativesGlobal2017
A global citizen science project from the University of Zurich where volunteers collect hydrological data (water levels, streamflow, soil moisture, plastic pollution) using a smartphone app to support flood and drought modeling. The project is ongoing.
- Explore
Spot-a-Bee
University of Glasgow / SPOTTERONActivities & InitiativesGlobal2020
A citizen science app where volunteers photograph and document flowers, shrubs, and trees and the bees visiting them, to study how urban planting affects bee populations. The project is ongoing.
- Explore
SpiderSpotter
SPIN-CITY Project / SPOTTERONActivities & InitiativesGlobal2020
A citizen science app where volunteers photograph spiders and their webs and record their color and size, helping researchers study spider evolution in urban environments. The project is ongoing.
- Explore
Tea Bag Index
Teatime4ScienceActivities & InitiativesGlobal2015
A global citizen science project where volunteers bury tea bags to measure soil decomposition rates, contributing to understanding of carbon cycling and soil health. The project is ongoing.
- Explore
QuakeWatch Austria
ZAMG / SPOTTERONActivities & InitiativesEurope2019
A citizen science app where people in Austria report on the felt strength, building damage, and other effects of earthquakes to support macroseismic research. The project is ongoing.
- Explore
StreetMind
StreetMind Project / SPOTTERONActivities & InitiativesGlobal2022
A citizen science app where volunteers share observations about how their daily environments affect their minds and well-being, helping researchers study the influence of environmental factors on mental health. The project is ongoing.
- Explore
Our Outdoors
Our Outdoors ProjectActivities & InitiativesUnited Kingdom2020
A public health citizen science project where volunteers share observations about local shared outdoor spaces and how they affect health and well-being. The project is ongoing.
- Explore
Mosquito Alert
CEAB-CSICActivities & InitiativesGlobal2014
A citizen science platform where volunteers report sightings of disease-carrying mosquitoes (such as the tiger mosquito and yellow fever mosquito) via an app to support public health surveillance and control. The project is ongoing.
- Explore
Great Backyard Bird Count
Cornell Lab of Ornithology / AudubonActivities & InitiativesGlobal1998
An annual citizen science event where volunteers worldwide count birds for as little as 15 minutes over four days to create a real-time snapshot of bird populations. The project is ongoing.
- Explore
Christmas Bird Count
AudubonActivities & InitiativesUnited States1900
A long-running Audubon citizen science tradition where volunteers count birds in fixed areas during the winter to track long-term bird population trends. The project is ongoing.
- Explore
Project FeederWatch
Cornell Lab of Ornithology / Birds CanadaActivities & InitiativesUnited States1987
A citizen science project where volunteers periodically count birds at their feeders from November through April to help track winter bird populations. The project is ongoing.
- Explore
Celebrate Urban Birds
Cornell Lab of OrnithologyActivities & InitiativesUnited StatesActive
A Cornell Lab of Ornithology citizen science project where volunteers observe birds in urban green spaces for 10 minutes to study how birds use cities. The project is ongoing.
- Explore
Monarch Watch
University of KansasActivities & InitiativesUnited States1992
A citizen science project where volunteers tag and track monarch butterflies during migration to study their movement and population trends. The project is ongoing.
- Explore
Journey North
University of Wisconsin–Madison ArboretumActivities & InitiativesUnited States1994
A citizen science project where volunteers track migrations and seasonal changes — including monarchs, hummingbirds, and other species — to study phenology and animal movement. The project is ongoing.
- Explore
FrogWatch USA
Association of Zoos and Aquariums (AZA)Activities & InitiativesUnited States1998
A citizen science program of the Association of Zoos and Aquariums where volunteers learn frog and toad calls and monitor them to track amphibian populations. The project is ongoing.
- Explore
Bumble Bee Watch
Xerces Society and partnersActivities & InitiativesUnited States2014
A citizen science project where volunteers photograph and identify bumble bees to help track and conserve bumble bee populations. The project is ongoing.
- Explore
Nature's Notebook
USA National Phenology NetworkActivities & InitiativesUnited States2009
A citizen science program of the USA National Phenology Network where volunteers record repeated observations of plants and animals to track seasonal cycles. The project is ongoing.
- Explore
Lost Ladybug Project
Cornell UniversityActivities & InitiativesUnited States2008
A Cornell University citizen science project where volunteers find and photograph ladybugs to track native and exotic ladybug species and their changing distributions. The project is ongoing.
- Explore
The Great Sunflower Project
San Francisco State UniversityActivities & InitiativesUnited States2008
A citizen science project where volunteers observe pollinators visiting plants (such as Lemon Queen sunflowers) for set periods to build a dataset on pollinator populations. The project is ongoing.
- Explore
eButterfly
eButterflyActivities & InitiativesUnited StatesActive
A citizen science project where volunteers record butterfly observations to build an international database supporting butterfly biodiversity, conservation, and research. The project is ongoing.
- Explore
Reef Check
Reef Check FoundationActivities & InitiativesGlobal1996
A citizen science program where trained volunteer divers survey the health of tropical coral reefs and kelp forests to monitor and protect reef ecosystems. The project is ongoing.
- Explore
CoralWatch
University of QueenslandActivities & InitiativesGlobal2002
A University of Queensland citizen science program where volunteers use a simple coral health color chart to monitor coral bleaching on reefs worldwide. The project is ongoing.
- Explore
Secchi Disk study
Plymouth University (Dr Richard Kirby)Activities & InitiativesGlobal2013
A citizen science project where sailors use a Secchi disk to measure ocean water clarity, contributing data on marine phytoplankton and ocean health. The project is ongoing.
- Explore
Phytoplankton Monitoring Network
NOAA NCCOSActivities & InitiativesUnited States2001
A NOAA citizen science program where volunteers sample and identify marine phytoplankton to monitor harmful algal blooms and coastal water quality. The program is ongoing.
- Explore
Snapshot Serengeti
Zooniverse / University of Minnesota Lion CenterActivities & InitiativesGlobal2013
A Zooniverse citizen science project where volunteers identify animals in camera-trap images from the Serengeti to study wildlife populations and ecology. The project is ongoing.
- Explore
Penguin Watch
Zooniverse / University of OxfordActivities & InitiativesGlobal2014
A Zooniverse citizen science project where volunteers count penguins in time-lapse images from remote colonies to help monitor penguin populations. The project is ongoing.
- Explore
Big Butterfly Count
Butterfly ConservationActivities & InitiativesUnited KingdomActive
A nationwide citizen science survey run by Butterfly Conservation in which people spend 15 minutes counting butterflies, building one of the largest datasets on butterfly populations and environmental health in the United Kingdom.
- Explore
OPAL — Open Air Laboratories
Imperial College London (OPAL consortium)Activities & InitiativesUnited KingdomActive
A UK citizen science initiative led by Imperial College London that developed open environmental surveys and resources so communities, schools and individuals can take part in scientific research on their local environment.
Showing 60 of 61 results. Refine your search or filters to narrow the list.

