A remote-controlled trash-collection robot runs along the beaches of the Great Lakes, extending from the USA to Canada's border. This robot attracts people's attention as it filters the trash from sand and water, helping to reduce the micro
See moreA remote-controlled trash-collection robot runs along the beaches of the Great Lakes, extending from the USA to Canada's border. This robot attracts people's attention as it filters the trash from sand and water, helping to reduce the microplastic pollution, which has become more serious in that area. It is a method that is less invasive to the environment and does not affect the ecosystems of native species. Those new technologies are the result of efforts to protect the lakes that supply 20% of the fresh water on the earth. (Sep 2022)