City Nature Challenge 2026
We are one of 37 southern African cities participating in the City Nature Challenge 2025. Download your iNaturalist app and join us now.
Great Southern Bioblitz 2025
From October 24–27, 2025, we, together with cities from across the Southern Hemisphere, will be participating in the Great Southern BioBlitz.
Alien trees threaten biodiversity, increase the risk of wildfires and also guzzle water Image Cape Winelands Biosphere Reserve
How much water does alien clearing save?
A new study modelling the streamflows of four small mountain catchments above some of Cape Town's major dams gives us the answer.
Alien pine trees, which use substantially more water than the native vegetation of the Cape Mountains, reduce river flows to dams that supply the city’s water Image Martin Kleynhans
Alien clearing boosts City’s climate resilience
How does catchment restoration (revegetation, wetland restoration, gully rehabilitation and alien clearing) increase climate resilience?
Plantations and fynbos at Tokai Park.
Personal reflections on the TCMF Review
Alanna Rebelo asks that we set our differences aside to save our critically endangered Fynbos species at Tokai Park.
April 2021's Devil's Peak wildfire caused catastrophic cultural heritage loss on spreading to the University of Cape Town Photo Brenton Geach/Gallo Images via Getty Images
Why 2021’s Devil’s Peak fire was so devastating
Following 2021's Devil's Peak Fire, we ask what could and should have been done to avert catastrophic cultural heritage loss.
Cape Town's biodiverse Fynbos Biome ranks third among South African biomes for its capacity to store carbon (per square metre). It must be protected Photo Shutterstock
Cape Town’s imperfect climate strategy
We review and comment on the City of Cape Town's 2020 draft climate-change strategy – which ignores our unique biodiversity.
