The flights are rated according their emissions. According to Direct Flights:

Carbon Rating Explained Each airline fleet analysis achieves a numeric value. These are sorted to achieve rankings
as shown.

  Instructions:

1. Simply search for flights available with Direct Flights using the search box.
2. Press on carbon freindly flight search
3. The greenest flight will be highlighted

Air travel currently accounts for 5% of total global carbon emmissions. Therefore its necessary thart we take any avaialble  steps towards redcuting flight emissions. There are some airlines out there that work to be greener. These air lines have added winglets to their planes and work hard to conserve fuel and resources. In addition these companies have either reduced emissions or invest in redcution of carbon emissions by carbon offsetting. Direectflight.com has taken all these into consideration in ranking the airlines.

Nonstop flights are exponentially better for the environment. It’s not just because you’re traveling fewer miles. It’s because as much as 50% of carbon emissions come from takeoff and landing! A direct flight may cost more financially, but a layover costs more environmentally.  Therefore, taking a direct flight with the greenest air traveler will be the best way reduce emissions from air travel.

Carbon Off-setting

Carbon offset is a credit for negating or diminishing the impact of emitting a ton of carbon dioxide by paying someone else to absorb or avoid the release of a ton of CO2 elsewhere. Carbon Offsetting Occurs by Funding Projects, in theory, give back to the environment to offset the amount of damage you have done. For example, the project you give money to may go towards providing solar panel roofs to households in Africa. The amount you pay to offset your carbon varies substantially based on the carbon offsetting organization you choose.

The range of projects that carbon offsets fund ranges from planting trees to providing wind power to distributing energy efficient light bulbs. You should take the type of project into consideration before choosing a carbon offset organization. Many of the carbon offsetting organizations allow you to choose which project you want to fund. Others don’t, so do your research before committing. We work with carbonfund.org in offsetting carbon. Please let us know if you want offset your tour print, and we will do it for you.