Trumpeter swan non-native Eurasian mute swan population who compete for habitat. One of the largest conservation sites for the trumpeter swan is located in Lois Hole Provincial Park. It is located adjacent to the renamed Trumpeter subdivision of Edmonton, Alberta within Big Lake. Joe Johnson, a biologist for the W.K. Kellogg Bird Sanctuary, part of Michigan State University’s Kellogg Biological Station, obtained trumpeter swans from Alaska for re-introduction to Michigan beginning in 1986. The population has grown via continued re-introductions and organic growth to 756 birds by 2015. The native swans have benefited from removal of non-native mute swans by the Michigan
Silver Nano (BUND), has asked consumers not to buy a new type of washing machine that uses silver nanoparticles. BUND criticized the product, claiming that considerable amounts of silver could enter sewage plants and seriously trouble the biological purification process of waste water. Friends of the Earth has also claimed that silver nanoparticles have a toxic effect on different kinds of living cells. Samsung countered that only an accumulated amount of 0.05 grams of silver is released per machine, per year, while the released silver-ions quickly bind to non-nano-sized structures in the water. This then raises the question of what structures Samsung