A Quote by Lester R. Brown
Another agricultural trend of growing concern is the increased nutrient content of coastal waters resulting from fertilizer runoff in agricultural regions. Augmented by urban sewage discharge in some situations, this results in huge algal blooms, which, as they die and decay, deplete the oxygen content in the water, leading to the death of the fish.
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Each summer, for example, nitrogen and phosphate washing from farmlands in the Mississippi Valley enter the Gulf of Mexico, creating a massive algal bloom covering some 16,000 square kilometers. As the blooms die off, this area-roughly the size of New Jersey-is so deprived of oxygen that no fish survive.
It is a fact that the entire Kentucky River system, which the central part of the state complacently depends upon for its future water, is deteriorating rapidly because of strip mining, because of bad farming, because of industrial and agricultural pollutants, because of urban sewage. It is deteriorating, that is to say, because almost nobody cares, or cares to know, where water comes from, so long as it keeps coming.
In coastal waters rich in runoff, plankton can swarm densely, a million in a drop of water. They color the sea brown and green where deltas form from big rivers, or cities dump their sewage. Tiny yet hugely important, plankton govern how well the sea harvests the sun's bounty, and so are the foundation of the ocean's food chain.
Farmers and agricultural authorities must take account of climate change and the prospect of increased rainfall in designing strategies to mitigate the effects of nutrient pollution.
Agricultural demand for water - probably the largest threat to freshwater species - continues to increase. ... Meanwhile, threats to terrestrial biodiversity - primarily the conversion of habitat to agricultural uses ... - have not diminished.
The challenge of ensuring adequate, nutrient-rich food for an expanding global population is a daunting one, especially given constraints on key resources like water and agricultural land.
As to the latter point - that by having a child in America you are somehow starving a child in Bangladesh - remember that agricultural economics is not a zero-sum game. Farmers want to make a living, so as demand increases, so does production. Not only that, but agricultural productivity has increased so rapidly that in some countries the government pays farmers not to plant crops in an effort to keep food prices from dropping.
'Absolute Water' converts sewage water into water which can be even consumed - if only one can get rid of the taboo of drinking sewage water, which they do in many parts of the world!
The central part of the state is more remote and less scenic, and there's a huge agricultural belt that stretches from the south of Lake Okeechobee to the border of Everglades National Park, where the restoration effort is being concentrated, .. Obviously the movement to save the Everglades runs up against agricultural concerns.
I believe that the brain has evolved over millions of years to be responsive to different kinds of content in the world. Language content, musical content, spatial content, numerical content, etc.
Coral reefs are under assault. They are rapidly being degraded by human activities. They are over-fished, bombed and poisoned. They are smothered by sediment, and choked by algae growing on nutrient-rich sewage and fertilizer run-off. They are damaged by irresponsible tourism and are being severely stressed by the warming of the world's oceans. Each of these pressures is bad enough in itself, but together, the cocktail is proving lethal.
More and more agricultural land is being used for non-agricultural purposes. Whether it's any industry, express highway, or expansion of any city, agricultural land is being used.
Farmers can't plant much more land because almost every accessible acre of arable soil is already in use. Nor can the use of fertilizer be increased: it is already being overused everywhere except some parts of Africa, and the runoff is polluting rivers, lakes, and oceans.
New England waters are some of my favorite - they are some of the richest waters because they are temperate waters and nutrient-rich, and therefore provide food for so many animals, from giant whales to sharks to everything else.
The insecticides kill the black flies, but also destroy much of the food chain for the bird, fish, and animal life which also inhabit those regions. The fish of the Great Lakes are laced with mercury from industrial plants, and fluoride from aluminum plants poisons the land and the people. Sewage from the population centers is mixed with PCBs and PBS in the watershed of the great lakes and the Finger Lakes, and the water is virtually nowhere safe for any living creatures.
If we continue to treat content as an extra to information architecture, to content management or to anything else, we miss a bright opportunity to influence users. Content is not a nice-to-have extra. Content is a star of the user experience show. Let’s make content shine.
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