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With biomass plants, the government wanted to ensure that the climate targets would be met. The government set aside 10 billion euros for the construction of 628 biomass plants. Objections to the biomass plants soon arose: they would not be as CO2-neutral as was assumed and there would be more useful ways to use the biomass.

In 1905, the popsicle was invented by eleven-year-old Frank Epperson. He made a drink with water and some soda powder that he stirred through with a stick. Because his mother told him to go to sleep, he left the drink. When he woke up the next morning, it had frozen and the drink with the stick in it was frozen too. This was the first popsicle.

Columbus was looking for a faster sailing route to the Dutch East Indies. He planned to sail there via the West. With the financial support of the Spanish Queen Isabella, his ships left for the West, but instead of finding a new route to the Dutch East Indies there, he found the undiscovered continent of America.

Facebook began a project called Aquila in 2014. The plan was to provide Internet to sparsely populated areas in Africa using drones that would fly on solar power. This way, Facebook could also get more users. Unfortunately, the plan turned out to be more complex than previously thought and the project has since been discontinued.

The yellow fever mosquito in South America transmits several diseases in large numbers, including the dengue virus, the yellow fever virus, chikungunya and the Zika virus. The cost of dengue on Aruba is high and many agreed on the need for these actions. It was not possible to raise the intended amount; more than half was promised, but that was all. More parties were sceptical and eventually the project was stopped.

Due to an accident at BP, a lot of oil unintentionally ended up in the sea near the Gulf of Mexico. In order to ensure that this would disappear more quickly, chemicals were thrown into the water that were supposed to make the oil droplets smaller and speed up the decomposition process. Unfortunately, the chemicals had the opposite effect: the chemicals caused microorganisms to flourish and drive out the microorganisms that were breaking down the oil.