Updated
carbon offsetting gorilla trekking is one of Africa’s most extraordinary wildlife experiences, connecting travellers with mountain gorillas in their natural forest habitat. Almost all of a gorilla trip’s carbon footprint comes from the long-haul flight. A return economy ticket from Europe to Entebbe typically works out at around 1.5–2.5 tonnes of CO₂ per passenger, depending on the route and the calculator, and roughly double that from North America or Australia.
The most effective steps are to cut emissions first, by choosing the most direct route, flying economy and staying longer, and then to offset what remains through a credible, independently verified project. Ideally that project is in Uganda or the wider region. This guide explains how to estimate your footprint, what makes an offset worth buying and how a gorilla trip can be part of the climate solution.
Gorilla trekking and carbon offsetting: making your trip climate-responsible
Where the emissions come from
Intercontinental flights dominate. Entebbe is about 6,500 km from London and 11,000 km from New York, and most routes involve a connection through Amsterdam, Brussels, Istanbul, Doha, Dubai or Addis Ababa. Each extra take-off and detour adds fuel. Calculators also differ in whether they include the extra warming from aircraft contrails and other high-altitude effects. Some, such as atmosfair and myclimate, include them and give higher figures. Others, such as ICAO’s, show CO₂ only. Neither is wrong, but if you plan to offset, the higher figure is the more honest one to cover.
On the ground, emissions are much smaller. A typical 4×4 safari vehicle uses roughly 15 litres of diesel per 100 km, so an 1,800 km loop from Entebbe to Bwindi and Queen Elizabeth and back produces around 700 kg of CO₂ for the whole vehicle. Shared between three or four travellers, that is a modest addition.
Lodges near Bwindi are mostly small, rely heavily on solar power and buy food locally, so accommodation adds relatively little. Domestic flights to the airstrips near Bwindi save many hours of driving, but for one or two people they emit more per head than sharing a vehicle.
Reduce before you offset
The cheapest tonne of carbon is the one you never emit. Choose the most direct routing you can, since a single connection through a hub roughly on the way emits less than two connections or a long detour. Fly economy: business-class seats take up several times the cabin space, and calculators allocate their emissions accordingly. Pack light, because weight costs fuel.
Above all, make the flight count. A two-week trip combining gorillas with chimpanzees in Kibale, Queen Elizabeth or Murchison Falls and a rest at Lake Bunyonyi produces almost the same flight emissions as a three-day gorilla dash, but gives far more value to Uganda’s parks and communities. If you are trekking in Bwindi’s southern sectors, compare flying into Kigali, which can be a shorter drive. Our guide to getting from Entebbe to Bwindi sets out the routes and drive times.
What makes an offset credible
An offset is a payment for a tonne of carbon removed from the atmosphere, for example by growing trees, or kept out of it, for example by protecting forest or replacing charcoal stoves. The voluntary carbon market has had serious scandals. Investigations in recent years found that some forest-protection credits claimed far more avoided deforestation than actually occurred, and studies of some cookstove projects found that real emission savings were well below the credits issued. Offsetting is not a free pass, and the quality of the project matters more than the price.
Look for four things. A credible project is independently verified under a recognised standard such as Gold Standard, Verra or Plan Vivo. It is additional, meaning the reductions would not have happened anyway, and the carbon is stored long-term, with a plan for fire or felling risk. It also has clear, published benefits for local people. Avoid very cheap credits, since a few dollars a tonne often signals an old or low-quality project. Good projects typically cost more, often US$15–30 or more per tonne.
Offsetting in Uganda
Uganda has several long-running community carbon schemes, which lets you link your offset to the country you visit. The best known is Trees for Global Benefits, run by the Ugandan NGO ECOTRUST and certified under Plan Vivo. Since 2003 it has paid smallholder farmers in western Uganda to plant and look after trees on their own land, with carbon payments released in stages as the trees survive. Uganda also hosts many Gold Standard cookstove and clean-water projects. If you choose one, look for recent monitoring reports and conservative crediting.
Tree planting around Bwindi does not usually generate formal carbon credits, but it does real local good. Buffer-zone and on-farm tree projects reduce pressure on the park, provide firewood and fruit, and help neighbours live with the forest. Our guide to community-run tourism near Bwindi lists ways to support local projects directly while you are there.
Your trip’s positive side
Gorilla tourism is one of the reasons Bwindi still stands. Permit fees, US$800 per trek (US$600 in April, May and November), pay for rangers, monitoring and veterinary care. A US$10 levy from each permit and 20% of park entry fees go to neighbouring communities, and tourism jobs give thousands of local families a stake in protecting the forest. A standing tropical forest stores enormous amounts of carbon in its trees and soils, so keeping Bwindi intact is itself a climate benefit, alongside its value for gorillas and water supplies.
Climate change is also a direct risk to the gorillas’ forests, through changing rainfall, more extreme weather and new disease pressures. Read more in our guide to climate change and mountain gorillas.
Choosing lower-impact lodges and operators
Ask lodges how they get their power and hot water, where they source food, how they handle waste and water, and how many staff come from local villages. Good answers are specific, such as solar power with battery storage, rainwater harvesting, local suppliers and a named community project, rather than a general “eco” label. Ask operators about vehicle maintenance, group sizes and whether they offset or support local projects. Our guide to eco-lodges in Bwindi is a good starting point.
Frequently asked questions
Mostly the flight: around 1.5–2.5 tonnes of CO₂ per person for a return economy flight from Europe, and roughly double from North America or Australia. Ground transport and lodges add comparatively little.
Only after you have cut what you can, and only with high-quality, independently verified projects. Offsetting does not cancel a flight’s emissions, but good projects deliver real benefits.
Yes. Trees for Global Benefits, run by ECOTRUST and certified under Plan Vivo, pays farmers in western Uganda to grow trees. There are also Gold Standard projects in the country.
Indirectly. Permit fees fund the protection of Bwindi and Mgahinga, whose forests store large amounts of carbon, and tourism gives local communities reasons to protect them.

















