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Research of CE Delft shows that buying stuff has the highest negative environmental impact for a Dutch household. Also in other Western-European countries it's estimated that consuming stuff has an enormous impact. That's due to the fact that producing stuff costs a lot of energy and resources. This production process also happens in countries that have less strict environmental laws.
The train travels on electricity and in countries like The Netherlands it's even powered by wind energy. It's even better to go by cycle or walk of course.
Beef has per kilo consumed the highest carbon emissions. It also has a large water consumption.
When producing a car with an electric battery, a lot of carbon is emitted, more than with a conventional vehicle. But since the batteries can be recycled and the electric vehicles expect to last long, it is better for the environment.
Unfortunately electricity from renewable energy sources like wind and solar only accounted for about 17 percent of the renewable electricity generation in the USA in 2018. Source EIA.gov