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Aquatic Weed Wars
Invasive aquatic plants are choking the life out of waters in Maine and other Northeastern states. Eurasian milfoil and water chestnut is just a couple of the plants that are taking over the lakes and there is very little that can be done to eradicate the plants once they have become firmly established.

As non-native species, the invasive aquatic plants don’t face the parasites and predators that keep native flora in check, and so, when they infect a lake they not only grow rapidly, but they crowd out other plant life, destroying fish habitat.

There is no easy fix to battle these plants either. Sunlight blocking mats impede their growth, but also hurt native plant life as well. Weevils, a biological approach, will eat the plants, but these little bugs are expensive at $3 to $5 each. Herbicides affect native plant life and carry some risk for people and fish too. Mechanical harvesting is sometimes the best that can be done, cut them down annually and to keep them in check and the lake usable.

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Eating Trash on the Ganges - The Ganges River is India’s holiest river, considered a source of spiritual purification for devout Hindus, it is also an economic lifeline and it is in peril. However, one machines is helping by collecting the floating debris; about 20 tons of trash in four hours.

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