In 1989, a pair of peregrine falcons raised a brood of four chicks on the roof of the Delta Winnipeg Hotel - the first confirmed nesting of peregrine falcons in Manitoba in recent years. In 1990, the same pair returned to their. . . Special Species Bluestem Nature Park on Omands Creek in Winnipeg, built with sod from a construction site near the airport, preserves a patch of native prairie in the midst of the city. . . . . . . . . . . . . . . . . . . . Special Areas Taste and odour problems in domestic water supplies often develop in late summer across the province when blue-green algae are stimulated by a combination of high levels of nutrients, warm water, and long, sunny days . . . . . . . . . . . . . . . . . . . . . . . . . Agriculture In Manitoba, water associated with oil production is so salty that it can damage the soil and is not suitable for watering plants and animals.
Producers inject it back into their oil reservoirs to help maintain pressure. .
Energy Tailings from gold mines contain residues of cyanide that can harm fish and other aquatic life. Since the cyanide rapidly breaks down into non-toxic products when exposed to sunlight, the danger to the environment can be averted by storing the effluent in a holding pond until oxidation is complete. . . . . . . . . . . . . . . . . . . . . The last few years have seen the recycling of asphalt pavements in several highway surfacing projects. Old pavements are broken up and recycled in new ones for major savings in asphalt, aggregates, and other nonrenewable resources. . . . . . . . . . . . . . . . . All proposed projects that could have an impact on the environment must be approved for licensing under The Environment Act.