Chewing gum is a world-wide problem. We find them in the oceans, in waiting rooms, on roads, and on sidewalks. Gum has even found its way into small cities like Nová Dubnica, not far from Trenčín. Every year there is an accumulation of hundreds of small, sticky, spots. How can this problem be solved?
Chewing gum is a world-wide problem. We find them in the oceans, in waiting rooms, on roads, and on sidewalks. Gum has even found its way into small cities like Nová Dubnica, not far from Trenčín. Every year there is an accumulaton of hundreds of small, sticky, spots.
Made by student from Slovakia.
Author: Mafalda Portilho
Link to video on Chinese website.
Made by students from China.
Made by students from Slovakia.
Made by students from France.
This report was made as part of the 2016 Young Reporters for the Environment competition. It depicts a short cycle initiated by the eco-representatives of Blaise Pascal high school.
Made by students from France.
This lift in Braga, the oldest in service in the world to use the water balance system, was inaugurated in 1882 and is a project form the Swiss engineer Niklaus Riggenbach.
It connects the upper town to the shrine, up a gap of over a hundred meters high and follows a path parallel to the of the staircase of Bom Jesus. It runs over a ramp, consisting of two independent cabins, connected together by a funicular water system balance.
Each cabin has a deposit, which is full of water at the top level and emptied when at the bottom. The weight difference thus obtained permits to travel. 38 was constructed for transporting people and does not emit CO2 to the atmosphere.
This transport process is environmentally friendly, promoting job creation, environmental protection, and light energy . That is the reason why this elevator has been around for 133 years!
Together with solar or wind power solutions, water can transport objects we can imagine in future lifts based on this process: a building, where with the help of solar and wind energy systems, water tanks would be filled, allowing people to walk up and down, without any CO2 production. It is an inexpensive and sustainable solution.
Energy in water
Made by students from France.
Made by students from Israel.
Made by students from Latvia.