The average American person produces about 2 Kg trash per day. Terrible for the environment, convenient for your all-day life.
Though, is there a any way to reduce the trash of a person to 0 waste? Probably it is, but to achieve zero waste you are going to give up a lot of comfort.

First of all you'll have to live "off-the-grid" (=Netzunabhängig). Also to reuse almost everything will be a must do. Furthermore you will live from rainwater, only drive with the bike or walk, plant vegetables yourself, and use solar panels. There is even more stuff!
To sum up, theoretically it is possible, but in reality it will fail for most of us, since we are depending on our current lifestyle.
Source links:
( Zero waste)(Trash production)(Panorama )
In todays society technical devices are no longer a volontary thing but a necessary tool to create a lecutre.

but what are the exact benefits of it?
1. the lecutures can be recorded: With recorded lectures you can rewatch the lecutre even if your sick or can nit attend class because of another reason. Like that students can keep up with the learning matter even though they were not in class.
2. we can learn together: Because everyone is connected with one another we can compare and help each other within our learning process even though we are not in class.
3. self-directed study: If you have all the learning matter online you can work in your own rhythm. Like that you have the ability of studying things that you did not get while you were in class at home and set your own tempo.
I think this topic is important because students in todays society should learn how to work independently and with your own work.
links:
benefits of digital learning (kaplanpathways.com)
How will our world come to an end? Nuclear war? Will the sun implode? Will we find a new home on mars?
I think it is important to speculate into the future.
[in progress]

[Description of your idea]
[Why i think this topic is important]
[Idea in progress]
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Source link:
Corona does not help climate change (ethz.ch)
Idea:
Today you can share everything, how about renting out roofs with solar panels for people who don't have a roof. That way you could achieve a greater range.
Why I think this topic is important:
It would be good if in the future we would grasp onto sustainable energy sources, not everyone has the chance to have PV systems. Because they dont have a roof.
Picture:

What happens with a plastic bottle after it’s thrown into the recycling bin?
why did i choose this topic?
It is becoming increasingly important that all pet bottles are recycled
Clima activists
The global warming exists
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Source link: https://www.gq-magazin.de/netzfundstuecke/artikel/greta-thunberg-trifft-zufallig-auf-donald-trump (gq-magazin.de)
Full video here » (arte.tv)
Humans - Destroyers of Earth (Die Erdzerstörer/L'homme a mangé la Terre) is accessible until 29/09/2019 More...
It's all about communication and collaboration across cultures, across borders,
in the context of a "real life" project.
«The Horse» concept - Realizing environmental projects collaboratively
«The Horse» is a symbol for being on the road and the lighthouse points the way.
Learning through experience fosters sustainable thinking and acting! Students from various countries get the opportunity to tackle collaborative projects in an international context. «The Horse» concept demands & promotes professional, social, linguistic and media skills of learners and teachers.

Wishing you a long life, good luck and prosperity!
To make wishes come true, there are a few tricks, such as eating the right foods on New Year's Eve:
Bon appétit & Happy New Year