You'll be able to buy train tickets through search in Japan, Germany, Italy, and Spain. It could make it easier for users to choose more emission-conscious travel options, according to the company.

Simply searching for two destinations, such as "Berlin to Vienna trains", will give you access to various listings. Clicking on the direct link will take you to the partner website to purchase your ticket.

Train ticket options in Google search
Users can book train tickets via Google search.
Image: Google

You will be able to narrow down flight and hotel options that have lower carbon emissions with the new tool. The option to show flights in the order of emission amount is available when searching for flights.

Users can search for hotels by selecting an "eco- certified" filter. The US Green Building Council and the Global sustainable Tourism Council verify hotels that fall under this category to make sure their results are accurate. When looking into the environmental impacts of these hotels, the agencies are looking at things such as energy efficiency, water efficiency, waste reduction, and sustainable source. The certification status of each hotel is not verified by the search engine.

Search results in Google Flights with the option to view the results in order of low emissions
Users can sort their flight results by emissions level.
Image: Google

Users have been able to book flights and hotels since the beginning of the year, but carbon emission tracking was introduced in 2021. Information about the carbon emissions associated with flights and fuel efficient driving routes are included. Eco-friendly navigation to Europe was recently added by the company.

The company was accused of covering up the impact of flight emissions when changing the way it calculates these numbers. Justine Calma pointed out that environmental advocates said that companies tend to shift responsibility to customers without giving much thought to how the company can reduce its own carbon footprint.

The new features will eventually include bus routes, according to the company.