![]() ![]() Emissions from international aviation are also not covered by the Paris COP21 agreement, and it is extremely difficult to substitute aviation fuel with a sustainable alternative. ![]() WordWeb for the use of their students (regardless of whether their students individually meet the licensing requirement).ġ Flights are particularly bad because of additional non-carbon emissions and cloud formation at high altitude: the short-term warming effect is estimated to be many times worse than the same CO 2 emission at ground level, perhaps a factor of two worse on a twenty-year timescale, but it could be worse than this - the science is not well understood. There is one exception to the above: not-for-profit educational establishments may make a network installation of Subject to the licensing terms, WordWeb Software grants you a non-transferrable and nonexclusive license to use the free WordWeb software. The product for more than 30 days, they must uninstall the product or purchase WordWeb Pro. Whenever a user no longer meets the above requirements, and they have installed The licensing model is designed to allow relatively non-wealthy people to use the program free of charge, and to provide a small incentive for other people who fly a lot to cut down. If you do not qualify you must uninstall the program after the 30-day trial period or purchase WordWeb Pro. For example two short-medium distance return flights can be equivalent to over 1 tonne of emissions 1: more than an average person can safely emit over an entire year. Most computer users are responsible for far more emissions than is sustainable.
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