Japan wants the Olympic 2020 to use full renewable energy
The Tokyo Olympic and Paralympic Organizing Committee set a goal for all of the electricity used at the two sporting events to be derived from renewable energy sources includingThe model of hydroponic vegetable cultivation won the first prize
Thanh Mai and Tu Trinh (students of biotechnology) won the prize with the product'Terrible' machine turns waste into the first floor tile in the world
Waste management is always one of the most difficult problems in the world, especially in areas with difficult access to recycling facilities.