Icy blast cleans the streets of the homeless in Poland..

the solution would be to bring them to sleep (injection)

The program has been duplicated in other Canadian cities and a study of Ottawa's "wet shelter" found that emergency room visit and police encounters by clients were cut by half.[46] The study, published in the Canadian Medical Association Journal in 2006 found that serving chronic street alcoholics controlled doses of alcohol also reduced their overall alcohol consumption. Researchers found that program participants cut their alcohol use from an average of 46 drinks a day when they entered the program to an average of 8 drinks and that their visits to emergency rooms drop to an average of eight a month from 13.5 while encounters with the police fall to an average of 8.8 from 18.1.

I personally don't give money to beggars but if I can I often buy them some food

I wouldn't buy them food because that is what shelters and charities are supposed to provide

California is serving wine in homeless shelters