. 20 Forward Ayo Akinola (HG) United States. Fishing at Pierhead Light in Oswego New York c 1900 Fort Ontario behind Olcott Light Olcott New York, Leo Baeck Day School By the 1960s and 1970s the increased pollution caused frequent algal blooms to occur in the summer. These blooms killed large numbers of fish and left decomposing piles of filamentous algae and dead fish along the shores at times the blooms became so thick waves could not break Fish eating birds such as osprey bald eagle and cormorant were being poisoned by contaminated fish Since the 1960s and 1970s environmental concerns have forced a cleanup of industrial and municipal wastes Cleanup has been accomplished through better treatment plants tighter environmental regulations deindustrialization and increased public awareness Today Lake Ontario has recovered some of its pristine quality; for example walleye a fish species considered as a marker of clean water are now found However regional airshed pollution remains a concern the lake has also become an important sport fishery although with introduced species (Coho and Chinook salmon) rather than the native species Bald eagle and osprey populations are also beginning to recover Invasive species are a problem for Lake Ontario particularly lamprey and zebra mussels Lamprey are being controlled by poisoning in the juvenile stage in the streams where they breed Zebra mussels in particular are difficult to control and pose major challenges for the lake and its waterways Climate. . The Toronto District School Board (TDSB; known as English-language Public District School Board No 12 prior to 1999) is the English-language public-secular school board for Toronto Ontario Canada the minority public-secular francophone (Conseil scolaire Viamonde) public-separate anglophone (Toronto Catholic District School Board) and public-separate francophone (Conseil scolaire catholique MonAvenir) communities of Toronto also have their own publicly funded school boards and schools that operate in the same area but which are independent of the TDSB Its headquarters are in the district of North York The TDSB was founded on January 20 1953 as the Metropolitan Toronto School Board (MTSB) as a "super-ordinate umbrella board" to coordinate activities and to apportion tax revenues equitably across the six anglophone and later a francophone school boards within Metro Toronto the MTSB was reorganized and replaced on January 1 1998 when the six anglophone metro school boards and MTSB merged to form the Toronto District School Board the francophone school board of MTSB was amalgamated with several other Francophone school boards in the region to form Conseil scolaire Viamonde Today the TDSB is Canada's largest school board and the fourth largest school board in North America Contents. . . .
Al Ashraf Islamic School Humber College (Toronto). .
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