People go blind because they don't have the simple drugs to prevent river blindness.
In many areas slurry spreading is restricted during autumn and winter to prevent river and water pollution but this can focus slurry spreading during the spring when fertilizer is also being applied to crops.
Riparian strips prevent river bank erosion, help to maintain water quality, and contribute to the maintenance of biodiversity in agro-ecosystems.
Peter Simpson, the managing director of Anglian Water, said: "Two dry winters have prevented rivers, reservoirs and aquifers from refilling with the water we treat and supply the rest of the year, especially during the hotter months when demand rises".
If we spent agricultural subsidies more intelligently, so that farmers farmed sustainably, it could make our water cheaper while at the same time preventing rivers silting up, thereby reducing flood risk.
Anglian Water managing director Peter Simpson said: "Two dry winters have prevented rivers, reservoirs and aquifers from refilling with the water we treat and supply the rest of the year, especially during the hotter months when demand rises".
Snow, however, can act as an insulator, preventing river ice from melting.
A single dose of ivermectin once a year prevents river blindness, an insect-borne parasitic disease that formerly destroyed the eyesight of countless millions of residents of developing countries, mainly in Africa.
The winter prevented river traffic and it was not until June 1897 that the first boats left the area, carrying the freshly mined gold and the full story of the discoveries.
The GluClα receptor was crystallized in the presence of the native orthosteric ligand, glutamate, as well as the positive allosteric modulator, ivermectin, an antiparasitic used to prevent nematode infections in humans (thus preventing river blindness) and in animals.
