Explore the world, sustainably

We travel to satisfy our curiosity. To discover something new and make connections. Our travel experiences are essential to who we are.


It’s time to think about how our travel impacts the world around us

Roughly 8% of global greenhouse gas emissions are caused by tourism

Greenhouse gas emissions, sometimes called carbon emissions or CO2e (carbon dioxide and greenhouse gas equivalents), include carbon dioxide (CO2), methane (CH4), nitrous oxide (N2O) and others.

From EPA

From Nature

That’s 4.5 billion metric tons of greenhouse gas emissions each year – about the same as providing electricity to 33% of our planet

From Nature and IEA


The way we plan our travel has the power to make a change


50% of travellers are making more climate-friendly travel choices

From Booking.com

Our travel choices, together with changes in the industry, help build a climate-friendly future

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Flying for two hours instead of six saves about 65% emissions per passenger

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Emissions are calculated per passenger. So the more passengers that a flight has, the smaller each passenger’s share of the flight’s emissions.

Choose where to go


When choosing where to go next, consider how far away it is. Distance determines your transport options, and your impact.

Explore nearby

Exploring closer to home is climate-friendly because you travel for less time and don’t have to fly. It can also be more cost-effective.

Choose how to get there


Transportation is tourism’s main source of emissions. How you travel to your next destination can reduce emissions.

Alternatives to flying

Compared to flying, taking a bus, train, or sharing a car has less impact on the environment. When available, they can be more cost-effective and convenient, and sustainable.

Fly less

When burning fuel, planes produce carbon dioxide and greenhouse gas equivalents (CO2e). Flying less, or not at all, means that you avoid these emissions. This reduces the impact that your travel has on the environment.

Catch a train or bus

Short-haul flights are especially inefficient. Consider replacing shorter flights with a train or bus journey. Over a similar distance, trains and buses produce fewer emissions than planes because they burn less fuel. Electric trains or buses that use carbon-free energy sources are especially climate-friendly because they don’t burn fossil fuels.

Take a road trip

Compared to taking a bus, driving causes more emissions per person because a car carries fewer passengers. Even so, driving with passengers is a more climate-friendly travel choice than flying.



4 kg CO2e
CO2e stands for 'carbon dioxide and greenhouse gas equivalents'. CO2e is a unit of measurement for emissions. It bundles together the impact of all applicable greenhouse gases and non-CO2 effects.
Per passenger travelling 100 km

Train travel pollutes less than driving or flying


19 kg CO2e
Per passenger travelling 100 km

Car travel pollutes more than train travel, and less than flying


25 kg CO2e
Per passenger travelling 100 km

Flying pollutes more than train and car travel

From Our world in data

The less fuel a transport mode burns and the more passengers it carries, the lower its environmental impact per passenger

Compare flight options

When travelling further away, it’s not always possible to avoid flying. But, consider which flights you take – some flights pollute less than others.

Fly direct

The number of stops and time in the air makes a difference. Direct flights have one take-off and climb, and typically fly for less time. Compared to connecting flights, this causes less pollution.

Choose economy

The less space that your seat takes up on the plane, the lower 'your share' of the flight’s emissions. That’s because the amount of space that a seat takes is considered when calculating emissions per passenger.

Consider fuel efficiency

Newer aircraft can be around 20% more fuel-efficient than older models. The less fuel that a flight burns, the less pollution it causes.

Contribute to the climate

When it’s not possible to avoid emissions caused by flying, consider contributing to verified projects that need funding to permanently remove carbon dioxide from the air.

Compare emissions for flights

Flying shorter distances typically burns less fuel, reducing the flight’s emissions

Making fewer stops typically burns less fuel, reducing the flight’s emissions

Cabin class
The less space that your seat takes up, the lower 'your share' of the flight’s emissions

Emissions are measured in CO2. CO2 stands for carbon dioxide. Emission values are representative and do not reflect exact itineraries. Learn more about how emissions are estimated

Tree and electricity conversions from: the US EPA.

Average emissions per passenger
It’ll take 2 tree seedlings growing for 10 years to absorb the same amount of carbon dioxide
That’s the same as powering an average home for 9 days

Aircraft features that affect emissions

Tip: See emissions for your flight search on Google Flights


In addition to the choices we make, many travel companies are committing to climate-friendly practices

Choose where to stay


When choosing a place to stay, support accommodations that are committed to lowering their environmental impact


Sustainable accommodations reduce their impact by using less energy and water, cutting down their waste or sourcing their supplies in climate-friendly ways

Sustainability practices and eco certifications

Accommodations identify these practices as opportunities to reduce their environmental impact

Energy efficiency

Includes energy-saving thermostats, energy-efficient lighting, heating and cooling or using energy from carbon-free sources

Water conservation

Accommodations use less water through water-efficient taps, toilets or showers, or encourage guests to reuse towels

Waste reduction

Includes recycling or food waste-reduction programmes, donating or composting excess food, safely disposing of electronics or not using single-use plastics

Tip: Find climate-friendly places to stay on Google

Sustainable sourcing

Accommodations source food and beverages locally, offer eco-friendly toiletries or cook responsibly-sourced seafood

Tip: Find climate-friendly places to stay on Google

Recognised eco certifications

Accommodation can also gain eco certifications. To be recognised as eco-certified on Google, certifications must be verified by independent organisations.

Google logo

How is Google helping?


Google is committed to building tools that move the industry towards a responsible, climate-friendly future, supporting travel providers and enabling travellers to make climate-conscious choices.


Google is working with the travel industry, academics and travel providers to develop the Travel Impact Model (TIM). This publicly available model has the potential to estimate air travel impact globally and lead to a climate-positive change in the travel industry.


Make climate-conscious choices when choosing your next flight or hotel on Google. You can find eco-certified hotels or compare emissions for flights.


Google has partnered with the Travalyst Coalition to develop and drive global sustainability standards across the travel industry.